21152+5531 A 1692 (HD 202642)
21h 15m 09.77s +55° 30' 34.8" P.A. 167.00 sep 0.3 mag 8.50,9.62 Sp A3V dist. 193.8 pc (632.18 l.y.)
| Coord 2000 |
21152+5531 |
|
Discov num |
A 1692 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 09.77 +55 30 34.8 |
|
| Date first |
1907 |
|
Date last |
2016 |
|
Obs |
22 |
|
| Pa first |
136 |
|
Pa last |
167.4 |
|
P.A. Now (θ) |
167.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.272 |
|
Sep. Now (ρ) |
0.272" |
|
| Mag pri |
8.50 |
|
Mag sec |
9.62 |
|
delta mag (ΔM) |
1.12 |
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
|
|
| Pri motion dec |
+005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 202642 |
|
Constellation |
Cepheus |
|
SAO |
33263 |
|
HIP |
104917 |
|
| Tycho2 |
3957-01163-1 |
|
Gaia DR2 |
2177053849301795072 |
|
HD |
202642 |
|
BD |
BD+54 2499 |
|
| Distance |
193.8 |
|
Distance ly |
632.18 |
|
