21092+5421 LEP 99
21h 09m 13.59s +54° 21' 12.0" P.A. 27.00 sep 113.7 mag 9.99,13.95 Sp K7 dist. 43.9 pc (143.2 l.y.)
Coord 2000 |
21092+5421 |
|
Discov num |
LEP 99 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 13.59 +54 21 12.0 |
|
Date first |
1952 |
|
Date last |
2016 |
|
Obs |
12 |
|
Pa first |
27 |
|
Pa last |
26.6 |
|
P.A. Now (θ) |
26.6° |
|
Sep first |
113.6 |
|
Sep last |
113.674 |
|
Sep. Now (ρ) |
113.674" |
|
Mag pri |
9.99 |
|
Mag sec |
13.95 |
|
delta mag (ΔM) |
3.96 |
|
Spectral class |
K7 (yellow-orange) |
|
Pri motion ra |
+184 |
|
Sec motion ra |
+180 |
|
Pri motion dec |
-071 |
|
Sec motion dec |
-059 |
|
Notes |
|
|
rPM=0.064 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
33172 |
|
HIP |
104426 |
|
Tycho2 |
3953-01080-1 |
|
Gaia DR2 |
2176596211944100608 |
|
HD |
235451 |
|
BD |
BD+53 2562 |
|
Distance |
43.9 |
|
Distance ly |
143.2 |
|