21139+2329 BKO 890
21h 13m 53.81s +23° 28' 59.9" P.A. 190.00 sep 9.3 mag 14.80,15.10
| Coord 2000 |
21139+2329 |
|
Discov num |
BKO 890 |
|
Comp |
|
|
Coord arcsec 2000 |
21 13 53.81 +23 28 59.9 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
191 |
|
Pa last |
189.6 |
|
P.A. Now (θ) |
189.6° |
|
| Sep first |
9.4 |
|
Sep last |
9.26 |
|
Sep. Now (ρ) |
9.26" |
|
| Mag pri |
14.80 |
|
Mag sec |
15.10 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
+012 |
|
Sec motion dec |
-018 |
|
| Notes |
|
|
rPM=1.645
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1839972102801808512 |
|
