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WDS 23340+3120 BU 720 - 72 Peg
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Doubles in this session
 
 
Current system
23340+3120
BU 720
72 Peg
 
 
Nearby doubles
20' : 23326+3127
WNC 6AB

22' : 23323+3125
BU 9021

27' : 23355+3101
LDS6405

42' : 23325+3158
J 2382

50' : 23368+3045
ES 401

54' : 23304+3050
BU 1266AB

56' : 23334+3215
TDT4096

59' : 23298+3142
COU 544

67' : 23320+3221
UC 4977

71' : 23370+3020
GRV 677

72' : 23326+3011
MLB 628

73' : 23362+3226
A 1240

75' : 23336+3234
OSO 199AB

77' : 23297+3213
HJ 987

77' : 23285+3153
J 3303

79' : 23397+3054
GRV 682

79' : 23297+3022
LDS5095

88' : 23407+3107
ES 403

91' : 23391+3013
POP 4

100' : 23291+3001
MLB 588

101' : 23266+3043
LDS5089

102' : 23272+3026
POP 21

103' : 23417+3147
HJ 992

103' : 23350+3302
OSO 200

105' : 23272+3020
POP 120

106' : 23382+3250
HU 792

23340+3120 BU  720 (72 Peg)

 
 
23H 33M 57.19S +31° 19' 31.0" P.A. 70.6 SEP 0.49 MAG 5.67-6.11 SP K4IIIB DIST. 548 L.Y.
 
 
Coord 2000
23340+3120
 Discov num
BU 720
 Comp
Date first
1878
 Date last
2010
 Obs
462
Pa first
309
 Pa last
102
 Sep first
0.4
Sep last
0.5
 Mag pri
5.67
 Mag sec
6.11
Spectral class
K4IIIb (yellow-orange)
 Pri motion ra
+049
 Pri motion dec
-017
Sec motion ra
+049
 Sec motion dec
-017
 Notes
N O D
Coord arcsec 2000
23 33 57.19 +31 19 31.0
 delta mag (ΔM)
0.44
 P.A. Now (θ)
70.6
Sep. Now (ρ)
0.49
 Distance
548
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name
72 Peg
 Constellation
Pegasus
 Flamsteed
72 Peg
 Other names
14617
HD
221673
 HR
8943
 Hipparcos
116310
 DM Number
+30 4978
ADS
16836
 SAO
73341
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period492.31y+/- 75.96 Periastron1904.92y+/- 10.015 Semi-major axis0.568a+/- 0.065
Eccentricity0.322y+/- 0.047 Inclination21.7+/- 8.3 Longitude of periastron293+/- 15
Node56.2+/- 6 Note Grade4(1=Definitive, 9=Indeterminate)
period theta rho
2000 94.0 0.546
2001 94.7 0.547
2002 95.4 0.549
2003 96.1 0.551
2004 96.7 0.553
2005 97.4 0.554
2006 98.1 0.556
2007 98.8 0.558
2008 99.4 0.560
2009 100.1 0.561
2010 100.7 0.563
2011 101.4 0.565
2012 102.0 0.566
2013 102.7 0.568
2014 103.3 0.570
2015 104.0 0.571
2016 104.6 0.573
2017 105.2 0.575
2018 105.9 0.576
2019 106.5 0.578
2020 107.1 0.580
2021 107.7 0.581
2022 108.3 0.583
2023 108.9 0.584
2024 109.5 0.586
2025 110.1 0.587
2026 110.7 0.589
2027 111.3 0.591
2028 111.9 0.592
2029 112.5 0.594
2030 113.1 0.595

grafico orbita


grafico misure orbit6
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period1539d+/- 51 Periastron53356d+/- 32 Semi-major axis0.322m+/- 0.029
Eccentricity0d Inclination66.6+/- 4 Longitude of periastron0
Node128.3+/- 4.1 Note Grade9(1=Definitive, 9=Indeterminate)
period theta rho
19-06-2013 277.3 0.207
20-06-2013 277.6 0.208
21-06-2013 277.8 0.209
22-06-2013 278.0 0.210
23-06-2013 278.2 0.210
24-06-2013 278.4 0.211
25-06-2013 278.7 0.212
26-06-2013 278.9 0.213
27-06-2013 279.1 0.214
28-06-2013 279.3 0.214
29-06-2013 279.5 0.215
30-06-2013 279.7 0.216
01-07-2013 279.9 0.217
02-07-2013 280.1 0.218
03-07-2013 280.3 0.218
04-07-2013 280.5 0.219
05-07-2013 280.7 0.220
06-07-2013 280.9 0.221
07-07-2013 281.1 0.221
08-07-2013 281.3 0.222
09-07-2013 281.5 0.223
10-07-2013 281.7 0.224
11-07-2013 281.9 0.225
12-07-2013 282.1 0.225
13-07-2013 282.3 0.226
14-07-2013 282.5 0.227
15-07-2013 282.6 0.228
16-07-2013 282.8 0.228
17-07-2013 283.0 0.229
18-07-2013 283.2 0.230
19-07-2013 283.4 0.231

grafico orbita


grafico misure orbit6