stampa
Login

Never registered to Stelle Doppie? It's like a Ferrari without wheels. Register now to releveal the full potential!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
19253-2431
FIN 327
Chi1 Sgr


Nearby doubles
17' : 19261-2418
KPP2171

21' : 19251-2410
ALD 74

22' : 19242-2416
RST3224

39' : 19263-2355
KPP 440

40' : 19273-2401
RST3227

58' : 19295-2422
OCC9052

60' : 19210-2441
LDS 677

63' : 19292-2357
OCC9051

69' : 19222-2337
ARA2258

74' : 19241-2319
B 435

75' : 19301-2354
UC 3957

81' : 19251-2551
UC 3924

81' : 19246-2311
UC 3918

82' : 19218-2324
ARA2257

83' : 19311-2410
OCC9053

87' : 19290-2540
FIN 11

87' : 19204-2526
UC 3893

89' : 19251-2303
RST3225AB

96' : 19320-2405
OCC9054

98' : 19276-2602
UC 3939

99' : 19311-2332
ARA2261

100' : 19285-2600
HJ 5119

104' : 19212-2303
UC 3899

105' : 19180-2504
HDS2730

106' : 19328-2456
UC 3973

107' : 19275-2612
SKF2076AB



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19253-2431 FIN 327 (Chi1 Sgr)

 
 
19h 25m 16.45s -24° 30' 30.4" P.A. 74.00 sep 0.0 mag 5.80,5.80 Sp Am dist. 77.22 pc (251.89 l.y.)
 
 
Coord 2000 19253-2431 Discov num FIN 327 Comp Coord arcsec 2000 19 25 16.45 -24 30 30.4
Date first 1951 Date last 2023 Obs 70
Pa first 271 Pa last 73.6 P.A. Now (θ) 265°
Sep first 0.1 Sep last 0.024 Sep. Now (ρ) 0.048"
Mag pri 5.80 Mag sec 5.80 delta mag (ΔM) 0 Spectral class Am (white)
Pri motion ra +052 Sec motion ra
Pri motion dec -055 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Chi1 Sgr Constellation Sagittarius SAO 188101 HIP 95477
Tycho2 6880-02342-1 Gaia DR2 6769709554832595456 HD 182369 HR 7362
GC 26789 CD CD-2415303 CP CP-24 6721 Bayer Chi 1 Sagittarii
Bayer name Chi1 Sgr Flamsteed 47 Sagittarii Flamsteed name 47 Sgr Distance 77.22
Distance ly 251.89 Bayer greek χ1 Sgr
 
 
ORBITAL ELEMENTS
 
 
Period (P)5.6985y± 0.0015 Periastron (T)2023.9455y± 0.001 Semi-major axis (a)0.0664a± 0.0003
Eccentricity (e)0.7099± 0.0033 Inclination (i)93.02°± 0.5 Longitude of periastron (ω)354.19°± 0.75
Node (Ω)80.15°± 0.55 Notesn ReferenceDoc2023c
Equinox2000 Last observation2023 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 258.7 0.075
2001 89.1 0.008
2002 263.5 0.047
2003 261.4 0.096
2004 260.5 0.113
2005 259.6 0.102
2006 258.0 0.057
2007 75.1 0.013
2008 262.5 0.066
2009 261.1 0.104
2010 260.2 0.113
2011 259.3 0.092
2012 256.3 0.033
2013 268.9 0.015
2014 261.9 0.081
2015 260.8 0.110
2016 260.0 0.110
2017 258.8 0.080
2018 225.1 0.003
2019 264.0 0.040
2020 261.5 0.093
2021 260.5 0.113
2022 259.7 0.104
2023 258.2 0.063
2024 78.9 0.019
2025 262.7 0.060
2026 261.2 0.102
2027 260.3 0.113
2028 259.4 0.096
2029 257.0 0.041
2030 278.4 0.007
2031 262.1 0.077
2032 260.9 0.108
2033 260.0 0.111
2034 259.0 0.084
2035 251.5 0.013
2036 264.7 0.033
2037 261.6 0.089
2038 260.6 0.112
2039 259.8 0.106
2040 258.5 0.069
2041 81.7 0.018
2042 263.0 0.054
2043 261.3 0.099
2044 260.4 0.113
2045 259.5 0.099
2046 257.5 0.049
2047 48.4 0.003
2048 262.2 0.072
2049 261.0 0.106
2050 260.1 0.112


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds19253-2431b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic