18071+4943 STT 344 (HD 166228)
18h 07m 06.29s +49° 42' 37.6" P.A. 140.00 sep 2.3 mag 6.47,10.31 Sp A2V dist. 221.24 pc (721.68 l.y.)
| Coord 2000 |
18071+4943 |
|
Discov num |
STT 344 |
|
Comp |
|
|
Coord arcsec 2000 |
18 07 06.29 +49 42 37.6 |
|
| Date first |
1843 |
|
Date last |
2009 |
|
Obs |
27 |
|
| Pa first |
151 |
|
Pa last |
140.1 |
|
P.A. Now (θ) |
140.1° |
|
| Sep first |
1.8 |
|
Sep last |
2.256 |
|
Sep. Now (ρ) |
2.256" |
|
| Mag pri |
6.47 |
|
Mag sec |
10.31 |
|
delta mag (ΔM) |
3.84 |
|
Spectral class |
A2V (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+026 |
|
Sec motion dec |
+020 |
|
| Notes |
N
(See Notes) |
|
rPM=0.234 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166228 |
|
Constellation |
Hercules |
|
SAO |
47233 |
|
HIP |
88754 |
|
| Tycho2 |
3532-01537-1 |
|
Gaia DR2 |
2123118268467192960 |
|
HD |
166228 |
|
HR |
6792 |
|
| GC |
24722 |
|
ADS |
11090 |
|
BD |
BD+49 2732 |
|
Distance |
221.24 |
|
| Distance ly |
721.68 |
|
