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Current system
19037-2243
DON 945
SU Sgr


Nearby doubles
9' : 19042-2247
DON 946

12' : 19042-2234
I 641

14' : 19042-2254
H N 129

31' : 19026-2309
DON 940

33' : 19052-2218
DON 947

36' : 19040-2207
ARA1909

39' : 19065-2247
ARA1912

41' : 19028-2204
ARA1907

45' : 19062-2214
ARA1911

47' : 19066-2219
ARA1913

48' : 19007-2220
ARA1905

50' : 19012-2318
OCC1052

51' : 19039-2152
ARA1908

54' : 19012-2323
OCC1053

57' : 19068-2321
ARA2254

57' : 18597-2257
DON 937

58' : 19014-2156
ARA1906

60' : 19047-2144
SEE 369

61' : 19079-2259
ARA2256

63' : 19019-2340
ARA2252AB

63' : 18593-2253
SHN 237

72' : 19043-2132
H N 126

72' : 19065-2141
A 3085AB

73' : 19066-2345
DON 949

74' : 19038-2356
B 422

75' : 19087-2311
B 2469



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19037-2243 DON 945 (SU Sgr)

 
 
19h 03m 43.76s -22° 42' 42.8" P.A. 239.00 sep 1.0 mag 8.40,13.20 Sp M7III dist. 210.08 pc (685.28 l.y.)
 
 
Coord 2000 19037-2243 Discov num DON 945 Comp Coord arcsec 2000 19 03 43.76 -22 42 42.8
Date first 1932 Date last 1943 Obs 3
Pa first 240 Pa last 239 P.A. Now (θ) 239°
Sep first 1.0 Sep last 1.04 Sep. Now (ρ) 1.04"
Mag pri 8.40 Mag sec 13.20 delta mag (ΔM) 4.8 Spectral class M7III (red)
Pri motion ra -014 Sec motion ra
Pri motion dec -019 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name SU Sgr Constellation Sagittarius SAO 187624 HIP 93605
Tycho2 6873-00106-1 Gaia DR2 4081435682568602240 HD 177017 BD BD-22 4958
CD CD-2213563 CP CP-22 7322 Distance 210.08 Distance ly 685.28
 
 
WDS 19037-2243 DON 945 (SU Sgr) : NOTES
 
 
discov_num notes refcode
DON 945 A is the semiregular variable SU Sgr.
 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19037-2243 DON 945 1943 3 239 1.0 8.40 13.20 M7III N 190343.76-224242.8

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 19037-2243 DON 945 (SU Sgr) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19037-2243 DON 945 (SU Sgr) : MEASURES
 
 
No records found.

 
 
WDS 19037-2243 (SU Sgr) : VIRTUAL EYEPIECE
 
 

19037-2243 DON 945A mag 8.4 Sp M7III 19037-2243 DON 945B sep 1.0 P.A. 236.90 mag 13.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 19037-2243 (SU Sgr) : ALADIN DSS IMAGE @ 19h 03m 43.76s -22° 42' 42.8"
 
 
 
 
WDS 19037-2243 DON 945 (SU Sgr) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19037-2243 DON 945 distance=0' 19042-2247 DON 946 distance=9' 19042-2234 I 641 distance=12' 19042-2254 H N 129 distance=14' 19026-2309 DON 940 distance=31' 19052-2218 DON 947 distance=33' 19040-2207 ARA1909 distance=36' 19065-2247 ARA1912 distance=39' 19028-2204 ARA1907 distance=41' 19062-2214 ARA1911 distance=45' 19066-2219 ARA1913 distance=47' 19007-2220 ARA1905 distance=48' 19012-2318 OCC1052 distance=50' 19039-2152 ARA1908 distance=51' 19012-2323 OCC1053 distance=54' 19068-2321 ARA2254 distance=57' 18597-2257 DON 937 distance=57' 19014-2156 ARA1906 distance=58' 19047-2144 SEE 369 distance=60' 19079-2259 ARA2256 distance=61' 19019-2340 ARA2252AB distance=63' 19019-2340 DAM 132AC distance=63' 18593-2253 SHN 237 distance=63' 19043-2132 H N 126 distance=72' 19065-2141 A 3085AB distance=72' 19065-2141 A 3085AB,C distance=72' 19066-2345 DON 949 distance=73' 19038-2356 B 422 distance=74' 19087-2311 B 2469 distance=75' 19002-2340 OCC1050 distance=76' 18593-2155 TDT1169 distance=78' 19075-2341 ARA2255 distance=78' 18583-2306 ARA2251 distance=78' 18596-2150 B 2466 distance=79' 19000-2145 ARA1560 distance=79' 19076-2144 ARA1563 distance=80' 19003-2350 OCC1051 distance=83' 19050-2121 ARA1561 distance=83' 19074-2137 A 2265 distance=84' 19098-2222 KPP1411 distance=86' 19016-2408 CBL 175 distance=91' 18588-2139 ARA1558 distance=95' 18580-2337 LEO 22AB distance=96' 18580-2337 OCC1049Aa,Ab distance=96' 18580-2145 B 2870 distance=99' 19075-2407 B 426 distance=100' 19105-2320 JNN 324 distance=101' 18570-2327 ARA2249 distance=104' 18562-2258 ARA2247 distance=105' 18598-2111 BRT1545 distance=108' 18592-2114 HDS2693Aa,Ab distance=109' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 19037-2243 DON 945 239 1.0
Show 19042-2247 DON 946 189 0.8 9
Show 19042-2234 I 641 145 4.4 12
Show 19042-2254 H N 129 309 8.3 14
Show 19026-2309 DON 940 334 2.2 31
Show 19052-2218 DON 947 140 4.3 33
Show 19040-2207 ARA1909 110 6.0 36
Show 19065-2247 ARA1912 77 8.4 39
Show 19028-2204 ARA1907 333 7.5 41
Show 19062-2214 ARA1911 338 13.1 45
Show 19066-2219 ARA1913 299 12.7 47
Show 19007-2220 ARA1905 42 9.9 48
Show 19012-2318 OCC1052 -1 0.0 50
Show 19039-2152 ARA1908 271 11.5 51
Show 19012-2323 OCC1053 -1 0.0 54
Show 19068-2321 ARA2254 210 8.3 57
Show 18597-2257 DON 937 149 1.3 57
Show 19014-2156 ARA1906 334 14.2 58
Show 19047-2144 SEE 369 252 38.4 60
Show 19079-2259 ARA2256 2 7.9 61
Show 19019-2340 ARA2252 AB 92 10.7 63
Show 19019-2340 DAM 132 AC 258 4.3 63
Show 18593-2253 SHN 237 -1 0.1 63
Show 19043-2132 H N 126 183 1.3 72
Show 19065-2141 A 3085 AB 279 0.2 72
Show 19065-2141 A 3085 AB,C 309 16.2 72
Show 19066-2345 DON 949 9 1.7 73
Show 19038-2356 B 422 111 6.3 74
Show 19087-2311 B 2469 315 10.0 75
Show 19002-2340 OCC1050 -1 0.0 76
Show 18593-2155 TDT1169 216 1.7 78
Show 19075-2341 ARA2255 73 6.1 78
Show 18583-2306 ARA2251 235 10.2 78
Show 18596-2150 B 2466 272 10.0 79
Show 19000-2145 ARA1560 246 6.8 79
Show 19076-2144 ARA1563 3 13.4 80
Show 19003-2350 OCC1051 -1 0.0 83
Show 19050-2121 ARA1561 214 8.4 83
Show 19074-2137 A 2265 72 2.6 84
Show 19098-2222 KPP1411 104 10.6 86
Show 19016-2408 CBL 175 84 31.2 91
Show 18588-2139 ARA1558 137 6.3 95
Show 18580-2337 LEO 22 AB 280 2.8 96
Show 18580-2337 OCC1049 Aa,Ab -1 0.0 96
Show 18580-2145 B 2870 263 6.0 99
Show 19075-2407 B 426 113 5.8 100
Show 19105-2320 JNN 324 173 0.4 101
Show 18570-2327 ARA2249 221 9.4 104
Show 18562-2258 ARA2247 314 14.9 105
Show 18598-2111 BRT1545 135 5.1 108
Show 18592-2114 HDS2693 Aa,Ab 160 0.3 109

 
 
WDS 19037-2243 : COMPONENTS
 
 
  A
B pa=236.9°
sep=0.98"
 
 
19037-2243 A
 
 
Componente originario normalizzato AB Var name SU Sgr Coord arcsec 2000 190343.76-224242.8 Mag 8.4
Spectral class M7III (red) PmRA -14.00 PmDE -19.0 SAO 187624
HIP 93605 Tycho2 6873-00106-1 HD 177017 BD BD-22 4958
CD CD-2213563 CP CP-22 7322
Tycho2
Tycho2 6873-00106-1 Pflag RAmdeg 285.93230604 DEmdeg -22.71194077
PmRA -19.5 PmDE -25.7 E RAmdeg 9 E DEmdeg 13
E pmRA 1.5 E pmDE 1.6 EpRAm 1990.74 EpDEm 1989.26
Num 7 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 1.0
Q pmDE 1.4 BTmag 10.144 E BTmag 0.034 VTmag 8.613
E VTmag 0.017 Prox 921 TYC T HIP 93605
CCDM RAdeg 285.93235417 DEdeg -22.71188139 EpRA 1990 1.84
EpDE 1990 1.69 E RAdeg 9.4 E DEdeg 14.4 Posflg
Corr 0.1
SAO
SAO 187624 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.008 Vmag 8.8 SpType M7
Double code Source 25 CatNum 13242 DM CD-2213563
DMcomp BDsup HD 177017 M HD 0
GC RA1950rad 4.97732016 DE1950rad -0.39769496 PmRA2000 0.0003
PmDE2000 -0.008
Hipparcos
Catalog H HIP 93605 Proxy RAhms 19 03 43.76
DEdms -22 42 42.8 Vmag 8.4 VarFlag 2 R Vmag H
RAdeg 285.932 DEdeg -22.7119 AstroRef * Plx 3.14
CCDM 19037-2243 N CCDM I Nsys 1 Ncomp 1
MultFlag V Source Qual M HIP
Theta Rho HD 177017 BD BD-22 4958
CD CD-2213563 CP CP-22 7322 Dm number -22 4958 VIred 6.66
SpType M7III R SpType Coord arcsec 2000 190343.76-224242.8
Hipparcos 2
HIP 93605 Sn 5 So 5 Nc 1
RArad 4.990461035 DErad -0.3963970155 Plx 4.76 PmRA -19.71
PmDE -27.56 E RArad 1.17 E DErad 0.76 E Plx 1.14
E pmRA 1.68 E pmDE 0.99 Hpmag 7.6577 E Hpmag 0.0172
SHp 0.211 VA 2 BV 1.336 E BV 0.035
VI 4.32
CCDM
Ccdm 19037-2243 RComp Comp A Note1
Note2 Discov num DRAs 1.84 DDEs 18.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag Sp M7 PmNote *
PmRA 4 PmDE -8 Dm number -22 4958 Cat1 BD
Name2 187624 Cat2 SAO HD 177017 M HD
ADS BDS M ADS BDS N IDS IDS 18577S2251A
HIC 93605
 
 
19037-2243 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190343.70-224243.3 Mag 13.2 Calc delta mag 4.8
Calc coord yes
CCDM
Ccdm 19037-2243 RComp Comp B Note1
Note2 Discov num DON 945 DRAs DDEs
R dRAs Year 1932 Theta 239 Rho 1.1
Obs 3 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 18577S2251B
HIC 93605