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Doubles in session


Current system
18597-2257
DON 937


Nearby doubles
8' : 18593-2253
SHN 237

22' : 18583-2306
ARA2251

29' : 19012-2318
OCC1052

34' : 19012-2323
OCC1053

40' : 19007-2220
ARA1905

43' : 19026-2309
DON 940

45' : 19002-2340
OCC1050

47' : 18580-2337
LEO 22AB

49' : 18562-2258
ARA2247

50' : 18570-2327
ARA2249

52' : 19019-2340
ARA2252AB

54' : 19003-2350
OCC1051

57' : 19037-2243
DON 945

59' : 18556-2241
ARA1904

61' : 18565-2336
ARA2248

61' : 18555-2239
ARA1903

62' : 18593-2155
TDT1169

63' : 18569-2345
OCC1048

63' : 19042-2254
H N 129

63' : 19042-2247
DON 946

66' : 19014-2156
ARA1906

66' : 19042-2234
I 641

66' : 18572-2352
CPO 603

67' : 18596-2150
B 2466

68' : 19028-2204
ARA1907

73' : 19000-2145
ARA1560



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

18597-2257 DON 937

 
 
18h 59m 44.92s -22° 56' 39.8" P.A. 149.00 sep 1.3 mag 10.08,13.80 Sp A8V
 
 
Coord 2000 18597-2257 Discov num DON 937 Comp Coord arcsec 2000 18 59 44.92 -22 56 39.8
Date first 1932 Date last 2016 Obs 5
Pa first 148 Pa last 148.8 P.A. Now (θ) 148.8°
Sep first 1.1 Sep last 1.3 Sep. Now (ρ) 1.3"
Mag pri 10.08 Mag sec 13.80 delta mag (ΔM) 3.72 Spectral class A8V (white)
Pri motion ra +007 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 187549 Tycho2 6873-00096-1 Gaia DR2 4075456813217351424
HD 176147
 
 
WDS 18597-2257 DON 937 : NOTES
 
 
No records found.

 
 
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
18597-2257 DON 937 1943 3 148 1.1 10.08 13.80 A8V 185944.92-225639.8
18597-2257 DON 937 2015 4 148 1.3 10.08 13.80 A8V S 185944.92-225639.8
18597-2257 DON 937 2016 5 149 1.3 10.08 13.80 A8V S 185944.92-225639.8

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

 
 
WDS 18597-2257 DON 937 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18597-2257 DON 937 : MEASURES
 
 
No records found.

 
 
WDS 18597-2257 : VIRTUAL EYEPIECE
 
 

18597-2257 DON 937A mag 10.08 Sp A8V 18597-2257 DON 937B sep 1.3 P.A. 150.90 mag 13.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18597-2257 : ALADIN DSS IMAGE @ 18h 59m 44.92s -22° 56' 39.8"
 
 
 
 
WDS 18597-2257 DON 937 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18597-2257 DON 937 distance=0' 18593-2253 SHN 237 distance=8' 18583-2306 ARA2251 distance=22' 19012-2318 OCC1052 distance=29' 19012-2323 OCC1053 distance=34' 19007-2220 ARA1905 distance=40' 19026-2309 DON 940 distance=43' 19002-2340 OCC1050 distance=45' 18580-2337 LEO 22AB distance=47' 18580-2337 OCC1049Aa,Ab distance=47' 18562-2258 ARA2247 distance=49' 18570-2327 ARA2249 distance=50' 19019-2340 ARA2252AB distance=52' 19019-2340 DAM 132AC distance=52' 19003-2350 OCC1051 distance=54' 19037-2243 DON 945 distance=57' 18556-2241 ARA1904 distance=59' 18565-2336 ARA2248 distance=61' 18555-2239 ARA1903 distance=61' 18593-2155 TDT1169 distance=62' 18569-2345 OCC1048 distance=63' 19042-2254 H N 129 distance=63' 19042-2247 DON 946 distance=63' 19014-2156 ARA1906 distance=66' 19042-2234 I 641 distance=66' 18572-2352 CPO 603 distance=66' 18596-2150 B 2466 distance=67' 19028-2204 ARA1907 distance=68' 19000-2145 ARA1560 distance=73' 18553-2341 B 412 distance=76' 19016-2408 CBL 175 distance=76' 18580-2145 B 2870 distance=77' 18542-2254 TDT1120 distance=77' 18541-2259 ALD 71 distance=77' 19040-2207 ARA1909 distance=78' 18542-2245 BU 1033AB (Ainalrami) distance=79' 18542-2245 HJ 5072AC (Ainalrami) distance=79' 18588-2139 ARA1558 distance=80' 18554-2349 OCC1046 distance=80' 19038-2356 B 422 distance=82' 19052-2218 DON 947 distance=86' 19039-2152 ARA1908 distance=87' 18536-2235 ARA1902 distance=87' 18549-2157 RSS 495AB distance=90' 18549-2357 RCH 7AB distance=91' 18549-2357 OCC1044Aa,Ab distance=91' 18549-2357 OCC1044Aa,Ac distance=91' 19065-2247 ARA1912 distance=94' 18555-2413 OCC1047 distance=96' 18554-2413 OCC1045 distance=98' 19062-2214 ARA1911 distance=99' 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 18597-2257 DON 937 149 1.3
Show 18593-2253 SHN 237 -1 0.1 8
Show 18583-2306 ARA2251 235 10.2 22
Show 19012-2318 OCC1052 -1 0.0 29
Show 19012-2323 OCC1053 -1 0.0 34
Show 19007-2220 ARA1905 42 9.9 40
Show 19026-2309 DON 940 334 2.2 43
Show 19002-2340 OCC1050 -1 0.0 45
Show 18580-2337 LEO 22 AB 280 2.8 47
Show 18580-2337 OCC1049 Aa,Ab -1 0.0 47
Show 18562-2258 ARA2247 314 14.9 49
Show 18570-2327 ARA2249 221 9.4 50
Show 19019-2340 ARA2252 AB 92 10.7 52
Show 19019-2340 DAM 132 AC 258 4.3 52
Show 19003-2350 OCC1051 -1 0.0 54
Show 19037-2243 DON 945 239 1.0 57
Show 18556-2241 ARA1904 81 12.4 59
Show 18565-2336 ARA2248 332 13.0 61
Show 18555-2239 ARA1903 235 8.2 61
Show 18593-2155 TDT1169 216 1.7 62
Show 18569-2345 OCC1048 -1 0.0 63
Show 19042-2254 H N 129 309 8.3 63
Show 19042-2247 DON 946 189 0.8 63
Show 19014-2156 ARA1906 334 14.2 66
Show 19042-2234 I 641 145 4.4 66
Show 18572-2352 CPO 603 161 9.9 66
Show 18596-2150 B 2466 272 10.0 67
Show 19028-2204 ARA1907 333 7.5 68
Show 19000-2145 ARA1560 246 6.8 73
Show 18553-2341 B 412 278 1.9 76
Show 19016-2408 CBL 175 84 31.2 76
Show 18580-2145 B 2870 263 6.0 77
Show 18542-2254 TDT1120 27 0.4 77
Show 18541-2259 ALD 71 158 2.1 77
Show 19040-2207 ARA1909 110 6.0 78
Show Ainalrami 18542-2245 BU 1033 AB 99 2.5 79
Show Ainalrami 18542-2245 HJ 5072 AC 58 28.0 79
Show 18588-2139 ARA1558 137 6.3 80
Show 18554-2349 OCC1046 -1 0.0 80
Show 19038-2356 B 422 111 6.3 82
Show 19052-2218 DON 947 140 4.3 86
Show 19039-2152 ARA1908 271 11.5 87
Show 18536-2235 ARA1902 324 11.2 87
Show 18549-2157 RSS 495 AB 67 21.4 90
Show 18549-2357 RCH 7 AB 20 1.6 91
Show 18549-2357 OCC1044 Aa,Ab -1 0.0 91
Show 18549-2357 OCC1044 Aa,Ac -1 0.0 91
Show 19065-2247 ARA1912 77 8.4 94
Show 18555-2413 OCC1047 -1 0.0 96
Show 18554-2413 OCC1045 -1 0.0 98
Show 19062-2214 ARA1911 338 13.1 99

 
 
WDS 18597-2257 : COMPONENTS
 
 
  A
B pa=150.9°
sep=1.27"
 
 
18597-2257 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185944.92-225639.8 Mag 10.08 Spectral class A8V (white)
PmRA 7.00 PmDE 4.0 SAO 187549 Tycho2 6873-00096-1
HD 176147 DM CD-2314925
Tycho2
Tycho2 6873-00096-1 Pflag RAmdeg 284.93718305 DEmdeg -22.94440108
PmRA 5.9 PmDE 0.3 E RAmdeg 19 E DEmdeg 23
E pmRA 1.6 E pmDE 1.6 EpRAm 1986.90 EpDEm 1984.03
Num 7 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.1
Q pmDE 1.5 BTmag 10.422 E BTmag 0.039 VTmag 10.084
E VTmag 0.040 Prox 999 TYC T HIP
CCDM RAdeg 284.93716528 DEdeg -22.94439722 EpRA 1990 1.91
EpDE 1990 1.73 E RAdeg 21.6 E DEdeg 28.3 Posflg
Corr -0.1
SAO
SAO 187549 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0.026 Vmag 9.4 SpType A5
Double code Source 25 CatNum 13199 DM CD-2314925
DMcomp BDsup HD 176147 M HD 0
GC RA1950rad 4.9599117 DE1950rad -0.40167461 PmRA2000 0.0011
PmDE2000 0.026
CCDM
Ccdm 18597-2257 RComp Comp A Note1
Note2 Discov num DRAs 2.94 DDEs 22.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp A5 PmNote *
PmRA 15 PmDE 26 Dm number -2314925 Cat1 CD
Name2 187549 Cat2 SAO HD 176147 M HD
ADS BDS M ADS BDS N IDS IDS 18537S2305A
HIC
 
 
18597-2257 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185944.96-225640.9 Mag 13.8 Calc delta mag 3.72
Calc coord yes
CCDM
Ccdm 18597-2257 RComp Comp B Note1
Note2 Discov num DON 937 DRAs DDEs
R dRAs Year 1932 Theta 149 Rho 1.1
Obs 3 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18537S2305B
HIC