20585+4121 BLL 53 (HD 199871)
20h 58m 27.27s +41° 21' 27.9" P.A. 352.00 sep 169.0 mag 7.29,11.36 Sp M0III dist. 213.68 pc (697.02 l.y.)
| Coord 2000 |
20585+4121 |
|
Discov num |
BLL 53 |
|
Comp |
|
|
Coord arcsec 2000 |
20 58 27.27 +41 21 27.9 |
|
| Date first |
1880 |
|
Date last |
2010 |
|
Obs |
12 |
|
| Pa first |
352 |
|
Pa last |
351.5 |
|
P.A. Now (θ) |
351.5° |
|
| Sep first |
168.7 |
|
Sep last |
169.01 |
|
Sep. Now (ρ) |
169.01" |
|
| Mag pri |
7.29 |
|
Mag sec |
11.36 |
|
delta mag (ΔM) |
4.07 |
|
Spectral class |
M0III (red) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+013 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+011 |
|
| Notes |
|
|
rPM=0.541
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 199871 |
|
Constellation |
Cygnus |
|
SAO |
50301 |
|
HIP |
103528 |
|
| Tycho2 |
3175-00969-1 |
|
Gaia DR2 |
1873462058759751552 |
|
HD |
199871 |
|
GC |
29278 |
|
| BD |
BD+40 4373 |
|
Distance |
213.68 |
|
Distance ly |
697.02 |
|
