21435+2721 A 299 AD
21h 43m 31.64s +27° 20' 37.3" P.A. 64.00 sep 374.5 mag 9.95,10.19 Sp G0+F6
| Coord 2000 | 21435+2721 | Discov num | A 299 | Comp | AD | Coord arcsec 2000 | 21 43 31.64 +27 20 37.3 | ||||
| Date first | 1875 | Date last | 2015 | Obs | 14 | ||||||
| Pa first | 64 | Pa last | 63.9 | P.A. Now (θ) | 63.9° | ||||||
| Sep first | 405.2 | Sep last | 374.523 | Sep. Now (ρ) | 374.523" | ||||||
| Mag pri | 9.95 | Mag sec | 10.19 | delta mag (ΔM) | 0.24 | Spectral class | G0+F6 (yellow/yellow-white) | ||||
| Pri motion ra | -028 | Sec motion ra | -241 | ||||||||
| Pri motion dec | -031 | Sec motion dec | -161 | ||||||||
| Notes | N (See Notes) | ||||||||||
21435+2721 SYSTEM COMPONENTS
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 21 43 32 +27 20 37 | A 299 AB | 2019 | 21 | 67 | 1.1 | 9.95 | 10.47 | 0.52 | ||||
| Show | 21 43 32 +27 20 37 | A 299 AD | 2015 | 14 | 64 | 374.5 | 9.95 | 10.19 | 0.24 | <=== | |||
| Show | 21 43 32 +27 20 37 | A 299 BC | 2019 | 5 | 325 | 0.1 | 10.47 | 12.00 | 1.53 | ||||
| Show | 21 43 57 +27 23 24 | A 299 DE | 2001 | 5 | 95 | 999.9 | 10.19 | 9.20 | 0.99 | ||||
| Show | 21 43 57 +27 23 24 | A 299 DF | 2015 | 7 | 26 | 145.8 | 10.19 | 11.08 | 0.89 | ||||
| Show | 21 43 57 +27 23 24 | OSO 155 DG | 2016 | 7 | 304 | 6.1 | 10.19 | 17.10 | 6.91 |
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Pegasus | Tycho2 | 2197-01015-1 | Gaia DR2 | 1800516746514762112 |
WDS 21435+2721 A 299 AD : NOTES
| discov_num | notes | refcode |
| A 299 | The DE and DF pairs were incorrectly listed as AE and AF in the IDS. | |
| See the ADS for 1875 and 1910 rectangular measures of AD and DE. | ||
| OSO 155 | DG: G188-022. Common proper motion pair. | Oso2004 |
| Previously entered in WDS as 21440+2723, before primary was identified | ||
| as the D component of the A 299 multiple. |
REFERENCES
| refcode | metd | author | reference |
| Oso2004 | C j | Zapatero Osorio, M.R. & Martin, E.L. | 2004A&A...419..167Z |
| Oso2004 | +Pa | A&A 419, 167, 2004 |
DISCOVERER
| idgroup | discov | author |
| 1 | A | Aitken, R.G. |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 21435+2721 | A 299 | AD | 1999 | 11 | 64 | 377.9 | 9.95 | 10.19 | G0 | N D | 214331.64+272037.3 |
| 21435+2721 | A 299 | AD | 2008 | 12 | 64 | 378.3 | 9.95 | 10.19 | G0 | N D | 214331.64+272037.3 |
| 21435+2721 | A 299 | AD | 2015 | 14 | 64 | 374.5 | 9.95 | 10.19 | G0+F6 | N | 214331.64+272037.3 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 21435+2721 A 299 AD : VISUAL OBSERVATIONS REPORTS
WDS 21435+2721 A 299 AD : MEASURES
WDS 21435+2721 : VIRTUAL EYEPIECE
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WDS 21435+2721 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
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Error -22130
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Error -27220
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Error -27220
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