04549+1009 ENG 19 AB (Pi1 Ori)
04h 54m 53.72s +10° 09' 02.9" P.A. 254.00 sep 171.6 mag 4.66,8.95 Sp A0V dist. 35.66 pc (116.32 l.y.)
| Coord 2000 |
04549+1009 |
|
Discov num |
ENG 19 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 54 53.72 +10 09 02.9 |
|
| Date first |
1887 |
|
Date last |
2014 |
|
Obs |
20 |
|
| Pa first |
248 |
|
Pa last |
253.5 |
|
P.A. Now (θ) |
253.5° |
|
| Sep first |
171.8 |
|
Sep last |
171.605 |
|
Sep. Now (ρ) |
171.605" |
|
| Mag pri |
4.66 |
|
Mag sec |
8.95 |
|
delta mag (ΔM) |
4.29 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
+042 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-129 |
|
Sec motion dec |
-011 |
|
| Notes |
N
(See Notes) |
|
rPM=0.918
This double is not physical.
04549+1009 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Pi1 Ori |
94201 |
04 54 54 +10 09 03 |
ENG 19 AB |
2014 |
20 |
254 |
171.6 |
4.66 |
8.95 |
4.29 |
|
<=== |
| Show |
|
94201 |
04 54 54 +10 09 03 |
BUP 72 AC |
2015 |
7 |
357 |
45.7 |
4.66 |
12.70 |
8.04 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Pi1 Ori |
|
Constellation |
Orion |
|
SAO |
94201 |
|
HIP |
22845 |
|
| Tycho2 |
0688-01867-1 |
|
Gaia DR2 |
3294429586085336960 |
|
HD |
31270 |
|
HR |
1570 |
|
| GC |
5987 |
|
BD |
BD+09 683 |
|
Bayer |
Pi 1 Orionis |
|
Bayer name |
Pi1 Ori |
|
| Flamsteed |
7 Orionis |
|
Flamsteed name |
7 Ori |
|
Distance |
35.66 |
|
Distance ly |
116.32 |
|
| Bayer greek |
π1 Ori |
|
