20014-4724 I 256 (HD 189307)
20h 01m 25.22s -47° 23' 50.5" P.A. 189.00 sep 0.8 mag 7.06,9.64 Sp F2IV dist. 102.25 pc (333.54 l.y.)
| Coord 2000 |
20014-4724 |
|
Discov num |
I 256 |
|
Comp |
|
|
Coord arcsec 2000 |
20 01 25.22 -47 23 50.5 |
|
| Date first |
1900 |
|
Date last |
1991 |
|
Obs |
12 |
|
| Pa first |
202 |
|
Pa last |
189 |
|
P.A. Now (θ) |
189° |
|
| Sep first |
1.0 |
|
Sep last |
0.81 |
|
Sep. Now (ρ) |
0.81" |
|
| Mag pri |
7.06 |
|
Mag sec |
9.64 |
|
delta mag (ΔM) |
2.58 |
|
Spectral class |
F2IV (yellow-white) |
|
| Pri motion ra |
+013 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.099 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189307 |
|
Constellation |
Telescopium |
|
SAO |
229991 |
|
HIP |
98577 |
|
| Tycho2 |
8395-00692-1 |
|
Gaia DR2 |
6670895207889684096 |
|
HD |
189307 |
|
GC |
27712 |
|
| CD |
CD-4713199 |
|
CP |
CP-47 9411 |
|
Distance |
102.25 |
|
Distance ly |
333.54 |
|
