21088+4646 SMA 127
21h 08m 53.74s +46° 45' 59.8" P.A. 130.00 sep 17.3 mag 10.43,10.83
| Coord 2000 |
21088+4646 |
|
Discov num |
SMA 127 |
|
Comp |
|
|
Coord arcsec 2000 |
21 08 53.74 +46 45 59.8 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
132 |
|
Pa last |
130.2 |
|
P.A. Now (θ) |
130.2° |
|
| Sep first |
16.7 |
|
Sep last |
17.263 |
|
Sep. Now (ρ) |
17.263" |
|
| Mag pri |
10.43 |
|
Mag sec |
10.83 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.286 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3588-05312-1 |
|
Gaia DR2 |
2164372322730679808 |
|
