20095+4752 BLL 45 (SV Cyg)
20h 09m 30.09s +47° 52' 17.2" P.A. 140.00 sep 145.4 mag 9.01,9.92 Sp N dist. 980.39 pc (3198.03 l.y.)
| Coord 2000 |
20095+4752 |
|
Discov num |
BLL 45 |
|
Comp |
|
|
Coord arcsec 2000 |
20 09 30.09 +47 52 17.2 |
|
| Date first |
1879 |
|
Date last |
2019 |
|
Obs |
15 |
|
| Pa first |
140 |
|
Pa last |
139.5 |
|
P.A. Now (θ) |
139.5° |
|
| Sep first |
145.2 |
|
Sep last |
145.37 |
|
Sep. Now (ρ) |
145.37" |
|
| Mag pri |
9.01 |
|
Mag sec |
9.92 |
|
delta mag (ΔM) |
0.91 |
|
Spectral class |
N (deep red) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-008 |
|
| Notes |
N
(See Notes) |
|
rPM=0.792
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
SV Cyg |
|
Constellation |
Cygnus |
|
HIP |
99310 |
|
Tycho2 |
3563-00462-1 |
|
| Gaia DR2 |
2082896582641906816 |
|
HD |
191738 |
|
DM |
BD+47 3034 |
|
BD |
BD+47 3031 |
|
| Distance |
980.39 |
|
Distance ly |
3198.03 |
|
