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Doubles in session


Current system
18394-0239
BRT 1948
HD 172274


Nearby doubles
13' : 18386-0235
WAM 4

17' : 18383-0236
BRT3333

21' : 18381-0233
TVB 304

27' : 18379-0254
KPP1345

32' : 18372-0236
BAL 248

37' : 18384-0312
A 88AB

64' : 18388-0136
BAL 581

71' : 18348-0256
RST4589

78' : 18397-0358
BRT 482

79' : 18349-0317
HJ 863

80' : 18441-0313
J 528

81' : 18442-0208
BRT 484

82' : 18416-0353
RST4593

90' : 18422-0357
J 2521AB

90' : 18335-0220
GWP2784AB

92' : 18395-0107
GWP2791

95' : 18366-0114
CON 35AB

98' : 18432-0120
AOT 73

98' : 18454-0314
A 90

101' : 18385-0418
HJ 5499

104' : 18335-0144
RST5118

113' : 18334-0346
GWP2783

114' : 18468-0223
HJ 5502

115' : 18437-0413
SKF 405

117' : 18471-0226
A 2687

120' : 18466-0149
RST5125



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.

18394-0239 BRT 1948 (HD 172274)

 
 
18h 39m 21.80s -02° 38' 36.3" P.A. 248.00 sep 4.1 mag 9.80,12.30 Sp F0
 
 
Coord 2000 18394-0239 Discov num BRT1948 Comp Coord arcsec 2000 18 39 21.80 -02 38 36.3
Date first 1931 Date last 2016 Obs 7
Pa first 251 Pa last 248.2 P.A. Now (θ) 248.2°
Sep first 3.3 Sep last 4.092 Sep. Now (ρ) 4.092"
Mag pri 9.80 Mag sec 12.30 delta mag (ΔM) 2.5 Spectral class F0 (yellow-white)
Pri motion ra -009 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172274 Constellation Serpens SAO 142473 Tycho2 5117-00577-1
Gaia DR2 4259411705660502784 HD 172274
 
 
WDS 18394-0239 BRT 1948 (HD 172274) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Brt1926a Pa - Barton, S.G. 1926AJ.....36..155B
Brt1926a AJ 36, 155, 1926 (BRT 1 - BRT 62)
Brt1926b Pa j Barton, S.G. 1926AJ.....37...57B
Brt1926b AJ 37, 57, 1926 (BRT 63 - BRT 116)
Brt1928 Pa - Barton, S.G. 1928AJ.....38..168B
Brt1928 AJ 38, 168, 1928 (BRT 117 - BRT 230)
Brt1929a Pa - Barton, S.G. 1929AN....235..425B
Brt1929a AN 235, 425, 1929 (BRT 294 - BRT 322)
Brt1929b Pa - Barton, S.G. 1929AJ.....39...93B
Brt1929b AJ 39, 93, 1929 (BRT 231 - BRT 293)
Brt1929c Ma j Barton, S.G. 1929AJ.....39..120B
Brt1929c AJ 39, 120, 1929
Brt1930 Pa - Barton, S.G. 1930AJ.....40..181B
Brt1930 AJ 40, 181, 1930 (BRT 323 - BRT 348)
Brt1931 Pa - Barton, S.G. (BRT 349 - BRT 562) 1931AJ.....41...35B
Brt1931 AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562)
Brt1932a Pa - Barton, S.G. 1932AJ.....42...93B
Brt1932a AJ 42, 93, 1932 (BRT 604 - BRT 636)
Brt1932b Ma - Barton, S.G. 1932PFAO....5a...1B
Brt1932b +Pa Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.)
Brt1932C Ma - Barton, S.G. 1932QB821.A43......
Brt1932C cited in ADS (Aitken Double Star Cat.), 1932
Brt1933 Pa - Barton, S.G. 1933AN....250...49B
Brt1933 AN 250, 49, 1933
Brt1933 (BRT 637 - BRT1134; very approximate dates added for pairs listed with only
Brt1933 secondary magnitudes and no astrometry)
Brt1934 Pa - Barton, S.G. 1934AJ.....43..119B
Brt1934 +Ma AJ 43, 119, 1934
Brt1935a Pa - Barton, S.G. 1935AJ.....44..105B
Brt1935a +Ma AJ 44, 105, 1935
Brt1935b Pa - Barton, S.G. 1935AN....256..357B
Brt1935b AN 256, 357, 1935
Brt1936a Ma - Barton, S.G. 1936AJ.....45...33B
Brt1936a +Pa AJ 45, 33, 1936
Brt1936b Pa - Barton, S.G. 1936AJ.....45...99B
Brt1936b +Ma AJ 45, 99, 1936
Brt1937a Pa - Barton, S.G. 1937AN....263..347B
Brt1937a AN 263, 347, 1937
Brt1937b Pa - Barton, S.G. 1937AN....263..383B
Brt1937b AN 263, 383, 1937
Brt1938 Ma - Barton, S.G. 1938AJ.....47..133B
Brt1938 +Pa AJ 47, 133, 1938
Brt1939a Ma - Barton, S.G. 1939PFAO....5b...1B
Brt1939a +Pa Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939
Brt1939b Pa - Barton, S.G. 1939AJ.....48..145B
Brt1939b +Ma AJ 48, 145, 1939
Brt1941 Pa - Barton, S.G. 1941PASP...55..339B
Brt1941 PASP 55, 339, 1941
Brt1942 Pa - Barton, S.G. 1942AJ.....50...11B
Brt1942 AJ 50, 11, 1942
Brt1947 Ma - Barton, S.G. 1947AJ.....52..178B
Brt1947 +Pa AJ 52, 178, 1947
Brt1949 Ma - Barton, S.G. 1949PFAO....7a...1B
Brt1949 Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949
Brt1951 Pa - Barton, S.G. 1951AJ.....55..218B
Brt1951 AJ 55, 218, 1951
Brt1957 Ma - Barton, S.G. 1957QB4.P5v7ps3....
Brt1957 Pub. Univ. Penn. 7, Pt.3, 15, 1957
Brt9999 Ma - Barton, S.G. ...................
Brt9999 +Pa Unpublished, manuscript or reference not found.
Brt2002A Ma - Barton, S.G. 2002yCat.1275....0D
Brt2002A +Pa cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18394-0239 BRT1948 2003 5 247 4.1 9.80 12.30 F0 D 183921.80-023836.3
18394-0239 BRT1948 2015 6 248 4.1 9.80 12.30 F0 183921.80-023836.3
18394-0239 BRT1948 2016 7 248 4.1 9.80 12.30 F0 183921.80-023836.3

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

 
 
WDS 18394-0239 BRT 1948 (HD 172274) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18394-0239 BRT 1948 (HD 172274) : MEASURES
 
 
No records found.

 
 
WDS 18394-0239 (HD 172274) : VIRTUAL EYEPIECE
 
 

18394-0239 BRT1948A mag 9.8 Sp F0 18394-0239 BRT1948B sep 4.1 P.A. 248.20 mag 12.3 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18394-0239 (HD 172274) : ALADIN DSS IMAGE @ 18h 39m 21.80s -02° 38' 36.3"
 
 
 
 
WDS 18394-0239 BRT 1948 (HD 172274) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18394-0239 BRT1948 distance=0' 18386-0235 WAM 4 distance=13' 18383-0236 BRT3333 distance=17' 18381-0233 TVB 304 distance=21' 18379-0254 KPP1345 distance=27' 18372-0236 BAL 248 distance=32' 18384-0312 A 88AB distance=37' 18384-0312 A 88AB,C distance=37' 18388-0136 BAL 581 distance=64' 18348-0256 RST4589 distance=71' 18397-0358 BRT 482 distance=78' 18349-0317 HJ 863 distance=79' 18441-0313 J 528 distance=80' 18442-0208 BRT 484 distance=81' 18416-0353 RST4593 distance=82' 18422-0357 J 2521AB distance=90' 18422-0357 J 2521AC distance=90' 18335-0220 GWP2784AB distance=90' 18335-0220 GWP2785AC distance=90' 18395-0107 GWP2791 distance=92' 18366-0114 CON 35AB distance=95' 18366-0114 CON 35AC distance=95' 18432-0120 AOT 73 distance=98' 18454-0314 A 90 distance=98' 18385-0418 HJ 5499 distance=101' 18335-0144 RST5118 distance=104' 18334-0346 GWP2783 distance=113' 18468-0223 HJ 5502 distance=114' 18437-0413 SKF 405 distance=115' 18471-0226 A 2687 distance=117' 18466-0149 RST5125 distance=120' 18388-0443 BRT 481 distance=125' 18325-0120 RST5117 distance=131' 18476-0157 LUQ 2 distance=131' 18476-0156 LUQ 1 distance=131' 18457-0107 BAL 582 distance=132' 18475-0338 TNN 12AB distance=136' 18475-0338 TNN 12AC distance=136' 18475-0338 TNN 12AD distance=136' 18475-0338 TNN 12AE distance=136' 18473-0346 J 2232 distance=136' 18305-0211 CON 34 distance=137' 18381-0455 RST4592 distance=139' 18314-0128 KPP4111 distance=139' 18316-0353 A 87AB distance=139' 18316-0353 A 87AC distance=139' 18316-0353 A 87CD distance=139' 18475-0128 KPP 712 distance=142' 18299-0149 HLA 18AB distance=151' 18299-0149 HLA 18AC distance=151' 18293-0246 HJ 859 distance=152' 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 18394-0239 BRT1948 248 4.1
Show 18386-0235 WAM 4 93 1.4 13
Show 18383-0236 BRT3333 239 2.3 17
Show 18381-0233 TVB 304 26 26.3 21
Show 18379-0254 KPP1345 75 10.1 27
Show 18372-0236 BAL 248 340 5.5 32
Show 18384-0312 A 88 AB 13 0.1 37
Show 18384-0312 A 88 AB,C 115 18.5 37
Show 18388-0136 BAL 581 125 3.9 64
Show 18348-0256 RST4589 88 1.1 71
Show 18397-0358 BRT 482 160 2.3 78
Show 18349-0317 HJ 863 76 10.1 79
Show 18441-0313 J 528 195 4.6 80
Show 18442-0208 BRT 484 51 4.3 81
Show 18416-0353 RST4593 19 0.5 82
Show 18422-0357 J 2521 AB 295 2.6 90
Show 18422-0357 J 2521 AC 89 18.6 90
Show 18335-0220 GWP2784 AB 292 455.1 90
Show 18335-0220 GWP2785 AC 337 279.6 90
Show 18395-0107 GWP2791 186 22.9 92
Show 18366-0114 CON 35 AB 32 2.8 95
Show 18366-0114 CON 35 AC 37 7.9 95
Show 18432-0120 AOT 73 325 11.7 98
Show 18454-0314 A 90 359 3.1 98
Show 18385-0418 HJ 5499 17 32.1 101
Show 18335-0144 RST5118 206 2.9 104
Show 18334-0346 GWP2783 215 7.6 113
Show 18468-0223 HJ 5502 5 25.7 114
Show 18437-0413 SKF 405 22 15.7 115
Show 18471-0226 A 2687 337 1.2 117
Show 18466-0149 RST5125 192 0.7 120
Show 18388-0443 BRT 481 182 4.9 125
Show 18325-0120 RST5117 252 1.9 131
Show 18476-0157 LUQ 2 271 0.6 131
Show 18476-0156 LUQ 1 255 0.6 131
Show 18457-0107 BAL 582 321 12.4 132
Show 18475-0338 TNN 12 AB 266 2.1 136
Show 18475-0338 TNN 12 AC 224 2.5 136
Show 18475-0338 TNN 12 AD 237 3.1 136
Show 18475-0338 TNN 12 AE 355 3.9 136
Show 18473-0346 J 2232 87 5.4 136
Show 18305-0211 CON 34 328 4.5 137
Show 18381-0455 RST4592 309 5.7 139
Show 18314-0128 KPP4111 189 1.6 139
Show 18316-0353 A 87 AB 294 1.8 139
Show 18316-0353 A 87 AC 316 4.2 139
Show 18316-0353 A 87 CD 4.0 139
Show 18475-0128 KPP 712 293 6.3 142
Show 18299-0149 HLA 18 AB 164 3.7 151
Show 18299-0149 HLA 18 AC 147 4.0 151
Show 18293-0246 HJ 859 217 16.9 152

 
 
WDS 18394-0239 : COMPONENTS
 
 
  A
B pa=248.2°
sep=4.09"
 
 
18394-0239 A
 
 
Componente originario normalizzato AB Name HD 172274 Coord arcsec 2000 183921.80-023836.3 Mag 9.8
Spectral class F0 (yellow-white) PmRA -9.00 PmDE -14.0 SAO 142473
Tycho2 5117-00577-1 HD 172274 DM BD-02 4687
Tycho2
Tycho2 5117-00577-1 Pflag RAmdeg 279.84085208 DEmdeg -2.64342997
PmRA 3.7 PmDE -7.8 E RAmdeg 13 E DEmdeg 16
E pmRA 1.1 E pmDE 1.2 EpRAm 1988.40 EpDEm 1986.63
Num 9 Q RAmdeg 2.2 Q DEmdeg 0.9 Q pmRA 2.4
Q pmDE 1.0 BTmag 10.083 E BTmag 0.028 VTmag 9.602
E VTmag 0.026 Prox 999 TYC T HIP
CCDM RAdeg 279.84085000 DEdeg -2.64341139 EpRA 1990 1.88
EpDE 1990 1.82 E RAdeg 14.2 E DEdeg 17.5 Posflg
Corr -0.3
SAO
SAO 142473 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 0.002 Vmag 9.1 SpType F0
Double code Source 27 CatNum 6257 DM BD-02 4687
DMcomp BDsup HD 172274 M HD 0
GC RA1950rad 4.87273623 DE1950rad -0.04693574 PmRA2000 -0.0006
PmDE2000 0.002
CCDM
Ccdm 18394-0239 RComp Comp A Note1
Note2 Discov num DRAs -2.25 DDEs 24.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp F0 PmNote *
PmRA -12 PmDE 2 Dm number -02 4687 Cat1 BD
Name2 142473 Cat2 SAO HD 172274 M HD
ADS BDS M ADS BDS N IDS IDS 18341S0244A
HIC
 
 
18394-0239 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183921.55-023837.8 Mag 12.3 Calc delta mag 2.5
Calc coord yes
CCDM
Ccdm 18394-0239 RComp Comp B Note1
Note2 Discov num BRT1948 DRAs DDEs
R dRAs Year 1931 Theta 250 Rho 3.6
Obs 3 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18341S0244B
HIC