22430+3013 BU 1144 A,BC (Matar)

 
 
22h 43m 00.13s +30° 13' 16.7" P.A. 338.00 sep 91.9 mag 3.02,9.87 Sp G2III+G5 dist. 65.7 pc (214.31 l.y.)
 
 
Coord 2000 22430+3013 Discov num BU 1144 Comp A,BC Coord arcsec 2000 22 43 00.13 +30 13 16.7
Date first 1824 Date last 2012 Obs 28
Pa first 339 Pa last 337.9 P.A. Now (θ) 337.9°
Sep first 89.8 Sep last 91.929 Sep. Now (ρ) 91.929"
Mag pri 3.02 Mag sec 9.87 delta mag (ΔM) 6.85 Spectral class G2III+G5 (yellow/yellow)
Pri motion ra +013 Sec motion ra -006
Pri motion dec -026 Sec motion dec -007
Notes N (See Notes)
rPM=0.924
This double is not physical.
 
 
22430+3013 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 90734 22 43 00 +30 13 17 BLA 11 Aa,Ab 2005 66 28 0.1 4.10 6.90 2.80 Y
Show Matar 90734 22 43 00 +30 13 17 BU 1144 A,BC 2012 28 338 91.9 3.02 9.87 6.85 <===
Show 90734 22 43 00 +30 13 17 FYM 145 AG 2015 4 272 119.1 3.02 13.50 10.48
Show 90734 22 43 00 +30 13 17 FYM 145 AH 2015 5 149 80.1 3.02 14.20 11.18
Show 90734 22 43 00 +30 13 17 FYM 145 AJ 2015 5 38 94.3 3.02 15.00 11.98
Show 22 42 57 +30 14 43 BU 1144 BC 2014 21 84 0.2 10.60 10.60 0.00
Show 22 42 57 +30 14 43 BU 1144 BC,D 2014 7 321 62.9 9.87 14.50 4.63
Show 22 42 57 +30 14 43 FYM 145 BF 2015 7 355 56.4 9.87 14.20 4.33
Show 22 42 54 +30 15 32 BU 1144 DE 2015 8 160 5.3 14.50 15.50 1.00
Show 22 43 03 +30 12 08 FYM 145 HI 2014 4 195 15.0 14.20 14.70 0.50
11-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Matar Var name NSV14285 Peg Constellation Pegasus SAO 90734
HIP 112158 Tycho2 2736-01823-1 Gaia DR2 1887953690724601984 HD 215182
HR 8650 GC 31706 ADS 16211 BD BD+29 4741
Bayer Eta Pegasi Bayer name Eta Peg Flamsteed 44 Pegasi Flamsteed name 44 Peg
FK5 857 Distance 65.7 Distance ly 214.31 Bayer greek η Peg
Meaning Mongolian proposal; a name given to the Gobi bear.