Arp-Madore 2 (also known as AM 2) is an open cluster of stars in the constellation of Puppis. It is almost 30,000 light-years away and about 5 billion years old.[1]
| Arp-Madore 2 | |
|---|---|
| Observation data (J2000.0 epoch) | |
| Right ascension | 07h 38m 46s |
| Declination | −33° 50′ 36″ |
| Distance | 30,000 ly (9197 pc) |
| Physical characteristics | |
| Other designations | AM 2, ESO 368-SC 07, IAU cluster number C0737-337 |
| Associations | |
| Constellation | Puppis |
References edit
- ^ Lee, Myung Gyoon (February 1997). "UBVI CCD Photometry of the Remote Old Open Cluster AM-2". Astronomical Journal. 113: 729–739. Bibcode:1997AJ....113..729L. doi:10.1086/118292.
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