20003+2955 BU 1258 (HD 189690)
20h 00m 15.54s +29° 55' 14.3" P.A. 143.00 sep 1.4 mag 7.47,10.90 Sp A0V dist. 213.22 pc (695.52 l.y.)
Coord 2000 |
20003+2955 |
|
Discov num |
BU 1258 |
|
Comp |
|
|
Coord arcsec 2000 |
20 00 15.54 +29 55 14.3 |
|
Date first |
1878 |
|
Date last |
2015 |
|
Obs |
30 |
|
Pa first |
160 |
|
Pa last |
142.5 |
|
P.A. Now (θ) |
142.5° |
|
Sep first |
1.5 |
|
Sep last |
1.417 |
|
Sep. Now (ρ) |
1.417" |
|
Mag pri |
7.47 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
3.43 |
|
Spectral class |
A0V (white) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=0.391
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 189690 |
|
Constellation |
Cygnus |
|
SAO |
88049 |
|
HIP |
98460 |
|
Tycho2 |
2153-00589-1 |
|
Gaia DR2 |
2030219083639905536 |
|
HD |
189690 |
|
GC |
27730 |
|
BD |
BD+29 3838 |
|
Distance |
213.22 |
|
Distance ly |
695.52 |
|