21097+5158 IPH 28
21h 09m 39.94s +51° 58' 03.6" P.A. 241.00 sep 19.6 mag 15.10,17.70
| Coord 2000 |
21097+5158 |
|
Discov num |
IPH 28 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 39.94 +51 58 03.6 |
|
| Date first |
1952 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
241 |
|
Pa last |
240.7 |
|
P.A. Now (θ) |
240.7° |
|
| Sep first |
19.9 |
|
Sep last |
19.624 |
|
Sep. Now (ρ) |
19.624" |
|
| Mag pri |
15.10 |
|
Mag sec |
17.70 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
|
|
| Pri motion ra |
+059 |
|
Sec motion ra |
+060 |
|
| Pri motion dec |
+035 |
|
Sec motion dec |
+038 |
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.045 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2169514120107365632 |
|
