D. C. Jackson, John M. Cannon, Evan D. Skillman, Henry Lee, R. D. Gehrz, C. E. Woodward, Elisha Polomski,
... four most luminous galaxies in the sample (IC 1613, IC 5152, NGC 55, and NGC 3109) and only ...
Tópico(s): Stellar, planetary, and galactic studies
2006 - IOP Publishing | The Astrophysical Journal
Lucas M. Macri, Daniela Calzetti, Wendy L. Freedman, B. K. Gibson, J. A. Graham, J. P. Huchra, Shaun M. G. Hughes, Barry F. Madore, J. R. Mould, S. E. Persson, P. B. Stetson,
... The variables are located in the galaxies IC 1613, IC 4182, M31, M81, M101, NGC 925, NGC 1365, ...
Tópico(s): Astronomy and Astrophysical Research
2001 - IOP Publishing | The Astrophysical Journal
George A. Carlson, Allan Sandage,
... and Light Curves of 16 Cepheid Variables in IC 1613 Not Completed by Baade Carlson, George ; Sandage, Allan ... presented for 16 of the faintest Cepheids in IC 1613 which had not been finished by Baade. Magnitudes ... of the total Cepheid data now available in IC 1613 with the data in LMC shows no significant ... the lower metallicity of the young stars in IC 1613. Fifty new faint Cepheid candidates have been found in IC 1613 by blinking plates not used for this purpose ... an extension of the P-L relation in IC 1613 to fainter magnitudes when the photometry and period ...
Tópico(s): Astronomical Observations and Instrumentation
1990 - IOP Publishing | The Astrophysical Journal
Evan D. Skillman, Eline Tolstoy, Andrew A. Cole, Andrew E. Dolphin, Abhijit Saha, J. S. Gallagher, R. C. Dohm‐Palmer, Mario Mateo,
... imaging of the Local Group dwarf irregular galaxy IC 1613. The photometry is the deepest to date for ... field with an earlier studied central field of IC 1613 shows that the SFR in the outer field ... effect into account. We find strong similarities between IC 1613 and the more distant Milky Way dSph companions ... ages. In particular, the SFH and AMR for IC 1613 and Leo I are indistinguishable. This implies that ... of the universe by background radiation. Assuming that IC 1613 is typical of a dIrr evolving in isolation, ...
Tópico(s): Astronomy and Astrophysical Research
2003 - IOP Publishing | The Astrophysical Journal
Andrew A. Cole, Eline Tolstoy, J. S. Gallagher, J. G. Hoessel, J. R. Mould, Jon A. Holtzman, Abhijit Saha, G. E. Ballester, Christopher J. Burrows, J. T. Clarke, David Crisp, R. E. Griffiths, Carl J. Grillmair, J. J. Hester, John Krist, V. S. Meadows, Paul A. Scowen, Karl R. Stapelfeldt, John T. Trauger, A. M. Watson, J. Westphal,
... center of the Local Group dwarf irregular galaxy IC 1613 with the WFPC2 aboard the Hubble Space Telescope ... very old stellar population at the center of IC 1613. We have also imaged a broader area of IC 1613 using the 3.5 m WIYN telescope under ... We present an approximate age-metallicity relation for IC 1613, which appears to be similar to that of ... Magellanic Cloud. We compare the Hess diagram of IC 1613 with similar data for three other Local Group dwarf galaxies and find that IC 1613 most closely resembles the nearby, transition-type dwarf ...
Tópico(s): Astrophysics and Star Formation Studies
1999 - Institute of Physics | The Astronomical Journal
... Nearby Galaxies Based on BVRI CCD Photometry. I. IC 1613 Freedman, Wendy L. Abstract BVRI CCD photometric observations of 11 previously known Cepheids in IC 1613 have been obtained at the Canada-France-Hawaii ... to the galaxy. A true distance modulus to IC 1613 of 24.3 +/- 0.1 mag is obtained [ ... corresponds to a distance of 725 kpc for IC 1613. In agreement with previous studies, a low reddening ... relation or the colors of the Cepheids in IC 1613 when compared with other Local Group galaxies. Publication: ... Diagram; Distance; Interstellar Extinction; Astrophysics; GALAXIES: INDIVIDUAL ALPHANUMERIC: IC 1613; GALAXIES: DISTANCES; GALAXIES: LOCAL GROUP; PHOTOMETRY; STARS: CEPHEIDS; ...
Tópico(s): Astronomical Observations and Instrumentation
1988 - IOP Publishing | The Astrophysical Journal
G. Pietrzyński, W. Gieren, I. Soszyński, Fabio Bresolin, Rolf‐Peter Kudritzki, M. Dall’Ora, J. Storm, G. Bono,
... Cepheid variables in the irregular Local Group galaxy IC 1613 with well-determined periods and optical VI light ... which allowed us to determine the distance to IC 1613 relative to the LMC from a multiwavelength period- ... with an unprecedented accuracy. Our result for the IC 1613 distance is (m - M)0 = 24.291 ± 0. ... find for the total (average) reddening to the IC 1613 Cepheids E(B - V) = 0.090 ± 0.019 ... Our data suggest that the extinction law in IC 1613 is very similar to the Galactic one. Our ... reduced the total uncertainty on the distance to IC 1613 (relative to the LMC) to less than 3%. ...
Tópico(s): Astrophysical Phenomena and Observations
2006 - IOP Publishing | The Astrophysical Journal
Evan D. Skillman, S. L. Hidalgo, Daniel R. Weisz, M. Monelli, Carme Gallart, A. Aparicio, Edouard J. Bernard, Michael Boylan-Kolchin, S. Cassisi, Andrew A. Cole, Andrew E. Dolphin, Henry C. Ferguson, Lucio Mayer, Julio F. Navarro, P. B. Stetson, Eline Tolstoy,
... radius in the Local Group dwarf irregular galaxy IC 1613 based on deep Hubble Space Telescope Advanced Camera ... that the SFH of the observed field in IC 1613 is consistent with being constant over the entire ... an early dominant episode of star formation in IC 1613. We compare the SFH of IC 1613 with expectations from cosmological models. Since most of ... problem"). The depth of the present photometry of IC 1613 shows that, at a resolution of ∼1 Gyr, ...
Tópico(s): Astrophysics and Star Formation Studies
2014 - IOP Publishing | The Astrophysical Journal
T. E. Armandroff, Philip Massey,
... ADS Wolf-Rayet stars in NGC 6822 and IC 1613. Armandroff, T. E. ; Massey, P. Abstract Using CCD ... Rayet stars in the Local Group irregular galaxies IC 1613 and NGC 6822 are examined. Twelve W-R ... seven are extremely probable, and eight candidates in IC 1613, of which five are extremely probable, are identified ... density and type of W-R stars, while IC 1613 is quite similar to the LMC. It is ... their H II regions and the SMC and IC 1613 are more metal-poor, the LMC must have ...
Tópico(s): Astronomy and Astrophysical Research
1985 - IOP Publishing | The Astrophysical Journal
Ragadeepika Pucha, Jeffrey L. Carlin, Beth Willman, Jay Strader, David J. Sand, K. Bechtol, Jean P. Brodie, Denija Crnojević, Duncan A. Forbes, Christopher T. Garling, Jonathan R. Hargis, Annika H. G. Peter, Aaron J. Romanowsky,
... stars in isolated Local Group dwarf irregular galaxy IC 1613 ($M_{\star} \sim 10^8 M_{\odot})$. These ... Cam observations are the widest and deepest of IC 1613 to date. We measure surface density profiles of ... kpc; 2.5 half-light radii) from the IC 1613 center. All of the populations extend to ~24' ($\ ... outer regions. Comparison with earlier studies sensitive to IC 1613's inner regions shows that the density of ... channels for the younger and older components of IC 1613. The outermost, intermediate-age and old stars have ...
Tópico(s): Astronomy and Astrophysical Research
2019 - IOP Publishing | The Astrophysical Journal
Travis A. Berger, Rolf‐Peter Kudritzki, M. A. Urbaneja, Fabio Bresolin, W. Gieren, G. Pietrzyński, N. Przybilla,
... early A within the Local Group dwarf galaxy IC 1613, based on VLT Focal Reducer and Low Dispersion ... compared with column densities of neutral hydrogen in IC 1613. While the low [ Z ] objects appear in regions ... evolution histories for the young stellar populations in IC 1613. Utilizing the flux-weighted gravity–luminosity relation, we determine IC 1613's distance modulus as m − M = 24.39 ± ...
Tópico(s): Astrophysics and Star Formation Studies
2018 - IOP Publishing | The Astrophysical Journal
Andrew E. Dolphin, Abhijit Saha, Evan D. Skillman, Eline Tolstoy, Andrew A. Cole, R. C. Dohm‐Palmer, J. S. Gallagher, Mario Mateo, J. G. Hoessel,
... photometry of a field in the halo of IC 1613, finding 13 RR Lyrae stars and 11 Cepheids. ... red clump is used to derive distances to IC 1613, which are consistent with each other and with ... required to produce self-consistent relative distances between IC 1613 and the Magellanic Clouds. Adopting such a red ... in excellent agreement. Our best distance modulus to IC 1613 is μ0 = 24.31 ± 0.06, corresponding to ...
Tópico(s): Adaptive optics and wavefront sensing
2001 - IOP Publishing | The Astrophysical Journal
... of over 2000 stars in two fields in IC 1613 has been obtained from CCD frames taken at ... the Canada-France-Hawaii telescope. The disk of IC 1613 is seen to contain stars with a range ... giant branch yields a distance-modulus estimate for IC 1613 of 24.2 +/- 0.2 mag, in good ... plates indicates that the number of clusters in IC 1613 is very low, confirming Baade's original suggestion. ...
Tópico(s): Stellar, planetary, and galactic studies
1988 - Institute of Physics | The Astronomical Journal
... Citation NASA/ADS The structure and content of IC 1613. Hodge, P. W. Abstract Results are reported for ... obtain information on the structure and content of IC 1613, the faintest of the nearby irregular galaxies of ... function is deduced, and the integrated color of IC 1613 is determined. Twenty stellar associations are delineated and ... be open star clusters. The dust content of IC 1613 is examined in a preliminary way, one relatively ...
Tópico(s): Historical Studies on Spain
1978 - Institute of Physics | The Astrophysical Journal Supplement Series
... ADS The Distance of the Local-Group Galaxy IC 1613 Obtained from Baade's Work on its Stellar ... were found by Baade over the face of IC 1613 from a series of plates taken with the ... 0 = 24.43. The integrated absolute magnitude of IC 1613 is MB = -14.45. The brightest blue supergiant ... total extent of the Population II component of IC 1613 is by 20;3, or 5600 by 4500 ...
Tópico(s): Astronomy and Astrophysical Research
1971 - IOP Publishing | The Astrophysical Journal
Yong Zheng, Andrew Emerick, M. E. Putman, Jessica K. Werk, Evan N. Kirby, J. E. G. Peek,
... study the circumgalactic medium (CGM) and outflows of IC 1613, which is a low-mass ( M * ∼ 10 8 ... four are pointed toward UV-bright stars in IC 1613, and the other six sight lines are background ... have velocities less than the escape velocity of IC 1613 and thus are gravitationally bound. The line strengths ... 0.6 R 200 of the CGM of IC 1613. We also estimate the metal outflow rate to ...
Tópico(s): Astrophysics and Star Formation Studies
2020 - IOP Publishing | The Astrophysical Journal
M. García, A. Herrero, B. Vicente, N. Castro, L. J. Corral, Alfred Rosenberg, M. Monelli,
... star candidates in the metal-poor irregular galaxy IC 1613. The catalogue must have very high astrometric accuracy, ... an astrometric and photometric catalogue of stars in IC 1613. Candidate blue massive stars are preselected from their ... have produced a deep catalogue of targets in IC 1613 that covers a large field of view. To ... also built a catalogue of OB associations in IC 1613. We have found that they concentrate in the ...
Tópico(s): Astrophysics and Star Formation Studies
2009 - EDP Sciences | Astronomy and Astrophysics
... for brightest stars in the Local Group galaxy IC 1613 is obtained from photometry that reaches B 21. ... the Local Group. The brightest blue star in IC 1613 is 22A with B = 17.00, B-V = - ... only 20% of the total blue light of IC 1613. The slope of M) at the bright end ... M ) for a young star as- sociation in IC 1613 differs systematically from the mean (M) at the ...
Tópico(s): Astronomy and Astrophysical Research
1976 - Institute of Physics | The Astronomical Journal
M. García, A. Herrero, B. Vicente, N. Castro, L. J. Corral, Alfred Rosenberg, M. Monelli,
... star candidates in the metal-poor irregular galaxy IC 1613. The catalogue must have very high astrometric accuracy, ... an astrometric and photometric catalogue of stars in IC 1613. Candidate blue massive stars are preselected by their ... have produced a deep catalogue of targets in IC 1613 that covers a large field of view. To ... also built a catalogue of OB associations in IC 1613 and found that they concentrate in the central ...
Tópico(s): Galaxies: Formation, Evolution, Phenomena
2009 - EDP Sciences | Astronomy and Astrophysics
Seyed Azim Hashemi, Atefeh Javadi, J. Th. van Loon,
IC 1613 is a Local Group dwarf irregular galaxy at a distance of 750 kpc. In this work, ... formation over the past 5 Gyr suggests that IC 1613 has evolved in isolation for that long, spared ... formation currently concentrated in the central regions of IC 1613, and the failure of recent star formation to ... we conclude that the star formation activity of IC 1613 can continue for ∼18 Gyr in a closed- ...
Tópico(s): Astrophysics and Star Formation Studies
2018 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
... Galaxy and Sandage H II Region 3 in IC 1613 Goss, W. M. ; Lozinskaya, Titiana A. Abstract We ... the WO star in the Local Group galaxy IC 1613. A radio image of G2.4+ 1.4 ... of ionization. IRAS FRESCO images of the galaxy IC 1613 show a giant complex of dust and gas ... Very Large Array (Vla); Astrophysics; GALAXIES: INDIVIDUAL ALPHANUMERIC: IC 1613; ISM: H II REGIONS; RADIO CONTINUUM: ISM; STARS: ...
Tópico(s): Galaxies: Formation, Evolution, Phenomena
1995 - IOP Publishing | The Astrophysical Journal
... suspected red supergiants in NGC 3109, NGC 6822, IC 1613, Sextans A, and DDO 210 together with CO ... and spectral type distributions in NGC 6822 and IC 1613 indicate that NGC 6822 is slightly more metal-rich than the Small Magellanic Cloud, while IC 1613 is more metal-poor. Sextans A is apparently comparable in metallicity to IC 1613, while NGC 3109 is probably comparable to the ...
Tópico(s): Astronomy and Astrophysical Research
1985 - IOP Publishing | The Astrophysical Journal
Л. Георгиев, J. Borissova, M. Rosado, R. Kurtev, V. D. Ivanov, Gloria Koenigsberger,
... the northeast sector of the dwarf irregular galaxy IC 1613 – a member of the Local Group. The ages ... probably distant galaxies visible through the disk of IC 1613, which confirms the original suggestion of Baade that IC 1613 contains no bright globular clusters.
Tópico(s): Galaxies: Formation, Evolution, Phenomena
1999 - EDP Sciences | Astronomy and Astrophysics Supplement Series
... Metrics Export Citation NASA/ADS Star clusters in IC 1613 and in the Small Magellanic Cloud. van den ... S. Abstract Intercomparison of the dwarf irregular galaxies IC 1613 and the Small Magellanic Cloud shows that active ... more star clusters than do comparable regions in IC 1613. It is suggested that strong shocks might favor ...
Tópico(s): Astronomical Observations and Instrumentation
1979 - IOP Publishing | The Astrophysical Journal
Jill S. Price, Stephen F. Mason, C. Gullixson,
... Citation NASA/ADS The H II Regions of IC 1613 Price, Jill S. ; Mason, Stephen F. ; Gullixson, Craig A. Abstract We present new Hα images of IC 1613, a small irregular galaxy in the Local Group. ... size distribution for the H II regions in IC 1613. The results are compared to results for NGC ...
Tópico(s): Stellar, planetary, and galactic studies
1990 - Institute of Physics | The Astronomical Journal
E. Antonello, D. Fugazza, L. Mantegazza,
... period distribution and other properties of Cepheids in IC 1613 are discussed and com- pared with those of ... that the frequency{period distribution of Cepheids in IC 1613 is similar to that of SMC; we suspect ... a much larger number of stars exist in IC 1613 with a period of less than 2 d ...
Tópico(s): Astrophysics and Star Formation Studies
2002 - EDP Sciences | Astronomy and Astrophysics
... V. The local group irregulars NGC 6822 and IC 1613. Humphreys, R. M. Abstract Spectroscopic and photometric observations ... in the dwarf irregular galaxies NGC 6822 and IC 1613 in the Local Group. The brightest blue stars ... and -8.2 mag in NGC 6822 and IC 1613, respectively. The brightest M supergiant occurs at a ...
Tópico(s): History and Developments in Astronomy
1980 - IOP Publishing | The Astrophysical Journal
L. F. Sibbons, Sean G. Ryan, M. J. Irwin, R. Napiwotzki,
A member of the Local Group, IC 1613 is a gas rich irregular dwarf galaxy that appears to have formed stars continuously over the last 10 Gyr and is relatively ... of the asymptotic giant branch (AGB) population in IC 1613 and its metallicity. Using WFCAM on UKIRT, high ... area of 0.8 deg^2 centered on IC 1613 was obtained. The data have been used to ...
Tópico(s): Galaxies: Formation, Evolution, Phenomena
2014 - EDP Sciences | Astronomy and Astrophysics
Teresa L. Ross, Jon A. Holtzman, Abhijit Saha, Barbara J. Anthony-Twarog,
... present stellar metallicities in Leo I, Leo II, IC 1613, and Phoenix dwarf galaxies derived from medium (F390M) ... metallicity gradients in Leo I and II. For IC 1613 and Phoenix our data do not have the ... Leo II (dwarf spheroidal), Phoenix (dwarf transition), and IC 1613 (dwarf irregular) have wider, less peaked MDFs than ... Accretion Model" of Lynden-Bell. For Leo II, IC 1613, and Phoenix we find similar accretion parameters for ...
Tópico(s): Astrophysics and Star Formation Studies
2015 - Institute of Physics | The Astronomical Journal
A. Herrero, M. García, K. Uytterhoeven, F. Najarro, D. J. Lennon, J. S. Vink, N. Castro,
... behavior with metallicity is poorly known. V39 in IC 1613 is a well-known photometric variable, with B- ... projection of a Galactic W Virginis and an IC 1613 red supergiant, shows features that render it a ... The radial velocity indicates that V39 belongs to IC 1613. The lack of Vrad changes and spectroscopic variations ...
Tópico(s): Astronomy and Astrophysical Research
2010 - EDP Sciences | Astronomy and Astrophysics