04478-2049 BU 312 (HD 30537)
04h 47m 46.57s -20° 48' 35.1" P.A. 346.00 sep 3.4 mag 8.39,9.72 Sp A1V dist. 255.75 pc (834.26 l.y.)
| Coord 2000 |
04478-2049 |
|
Discov num |
BU 312 |
|
Comp |
|
|
Coord arcsec 2000 |
04 47 46.57 -20 48 35.1 |
|
| Date first |
1870 |
|
Date last |
2015 |
|
Obs |
30 |
|
| Pa first |
344 |
|
Pa last |
346 |
|
P.A. Now (θ) |
346° |
|
| Sep first |
3.1 |
|
Sep last |
3.42 |
|
Sep. Now (ρ) |
3.42" |
|
| Mag pri |
8.39 |
|
Mag sec |
9.72 |
|
delta mag (ΔM) |
1.33 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-029 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
rPM=1.198
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 30537 |
|
Constellation |
Eridanus |
|
HIP |
22277 |
|
Tycho2 |
5898-00196-1 |
|
| Gaia DR2 |
2974435006201642624 |
|
HD |
30537 |
|
BD |
BD-21 979 |
|
Distance |
255.75 |
|
| Distance ly |
834.26 |
|
