ISOHDFS 27
ISOHDFS 27 is a spiral galaxy in the constellation Tucana, and was discovered in the Hubble Deep Field South survey. It is the most massive spiral galaxy found in the survey, measuring 130,000 light-years (40,000 parsecs) in diameter. It is located approximately 6 billion light-years (1.8 billion parsecs) from Earth and has a mass of 1.04×1012 solar masses (M☉), about four times as massive as the Milky Way.
| ISOHDFS 27 | |
|---|---|
 Image of ISOHDFS 27 taken by Hubble | |
| Observation data (J2000 epoch) | |
| Constellation | Tucana |
| Right ascension | 22h 32m 47.7s |
| Declination | −60° 33′ 35.9″ |
| Redshift | 0.5807±0.0003 |
| Helio radial velocity | 174,090 km/s (108,170 mi/s) |
| Galactocentric velocity | 174,009 km/s (108,124 mi/s) |
| Distance | 6 billion ly (1.8 billion pc) (light travel distance) 7 billion ly (2.1 billion pc) (comoving distance) |
| Apparent magnitude (V) | 20.51 |
| Characteristics | |
| Type | Sbc |
| Mass | 1.04×1012 M☉ |
| Size | 130,000 ly (40,000 pc) |
| Apparent size (V) | 0.075 × 0.075 |
| Other designations | |
| HDFS J223247.66-603335.9, LFR2003 193, SB-WF 3572-1508 | |
See also
External links
- "Massive spiral galaxy ISOHDFS 27" by the European Southern Observatory
- ISOHDFS 27 on SIMBAD
- ISOHDFS 27 on NASA/IPAC Extragalactic Database
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