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Current system
21517+2134
BRT 2501


Nearby doubles
32' : 21500+2157
TDT3184

41' : 21495+2202
COU 135

41' : 21487+2144
BRT2500

44' : 21506+2216
HO 467AB

48' : 21537+2212
J 2361

59' : 21513+2036
SKF2181

61' : 21473+2134
GRV 505

61' : 21481+2100
HU 378

62' : 21497+2039
TDT3182

71' : 21501+2242
TDT3185

77' : 21467+2209
GMC 24

81' : 21465+2210
HO 465AB

82' : 21461+2111
AG 277

83' : 21458+2155
HU 1656

89' : 21455+2156
AG 276

89' : 21492+2256
LDS4910

90' : 21457+2100
UC 4553

92' : 21504+2303
J 3147AB

93' : 21569+2037
LDS1484

95' : 21508+2308
DAM 239

96' : 21576+2047
L 37

102' : 21579+2224
GRV 524

103' : 21505+1953
LDS4916

105' : 21516+1950
HJ 947AB

108' : 21580+2235
UC 4614

111' : 21595+2128
LDS1485



Selections
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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.

21517+2134 BRT 2501

 
 
21h 51m 37.79s +21° 34' 28.5" P.A. 324.00 sep 5.2 mag 10.60,10.70
 
 
Coord 2000 21517+2134 Discov num BRT2501 Comp Coord arcsec 2000 21 51 37.79 +21 34 28.5
Date first 1894 Date last 2016 Obs 11
Pa first 321 Pa last 323.5 P.A. Now (θ) 323.5°
Sep first 5.5 Sep last 5.162 Sep. Now (ρ) 5.162"
Mag pri 10.60 Mag sec 10.70 delta mag (ΔM) 0.1 Spectral class
Pri motion ra +024 Sec motion ra +009
Pri motion dec -004 Sec motion dec +014
Notes
rPM=0.963
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 1793063535145759872
 
 
WDS 21517+2134 BRT 2501 : 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
21517+2134 BRT2501 1999 5 323 5.1 10.60 10.70 D 215137.79+213428.5
21517+2134 BRT2501 2009 6 323 5.0 10.60 10.70 D 215137.79+213428.5
21517+2134 BRT2501 2010 8 322 4.2 10.60 10.70 215137.79+213428.5
21517+2134 BRT2501 2016 9 324 5.2 10.60 10.70 215137.79+213428.5

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

 
 
WDS 21517+2134 BRT 2501 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21517+2134 BRT 2501 : MEASURES
 
 
No records found.

 
 
WDS 21517+2134 : VIRTUAL EYEPIECE
 
 

21517+2134 BRT2501A mag 10.6 21517+2134 BRT2501B sep 5.0 P.A. 325.50 mag 10.7 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21517+2134 : ALADIN DSS IMAGE @ 21h 51m 37.79s +21° 34' 28.5"
 
 
 
 
WDS 21517+2134 BRT 2501 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21517+2134 BRT2501 distance=0' 21500+2157 TDT3184 distance=32' 21495+2202 COU 135 distance=41' 21487+2144 BRT2500 distance=41' 21506+2216 HO 467AB distance=44' 21506+2216 HO 467AC distance=44' 21537+2212 J 2361 distance=48' 21513+2036 SKF2181 distance=59' 21473+2134 GRV 505 distance=61' 21481+2100 HU 378 distance=61' 21497+2039 TDT3182 distance=62' 21501+2242 TDT3185 distance=71' 21467+2209 GMC 24 distance=77' 21465+2210 HDS3101Aa,Ab distance=81' 21465+2210 HO 465AB distance=81' 21465+2210 HO 465BC distance=81' 21461+2111 AG 277 distance=82' 21458+2155 HU 1656 distance=83' 21455+2156 AG 276 distance=89' 21492+2256 LDS4910 distance=89' 21457+2100 UC 4553 distance=90' 21504+2303 J 3147AB distance=92' 21504+2303 DAM 238AC distance=92' 21569+2037 LDS1484 distance=93' 21508+2308 DAM 239 distance=95' 21576+2047 L 37 distance=96' 21579+2224 GRV 524 distance=102' 21505+1953 LDS4916 distance=103' 21516+1950 HJ 947AB distance=105' 21516+1950 HJ 947AC distance=105' 21516+1950 HJ 947BC distance=105' 21580+2235 UC 4614 distance=108' 21595+2128 LDS1485 distance=111' 21434+2147 COU 536 distance=116' 21577+2015 STF2849 distance=117' 21543+1943 STF2841A,BC distance=118' 21543+1943 COU 432BC distance=118' 21592+2042 UC 4621 distance=118' 21461+2001 HU 376 distance=121' 21431+2157 BRT2499 distance=121' 21597+2049 GRV 526 distance=122' 21429+2152 HJ 1683AB distance=123' 21429+2152 HJ 1683AC distance=123' 21429+2152 ABH 150AD distance=123' 21560+1948 ALL 4 distance=123' 21495+2334 BU 1306AB distance=124' 21495+2334 BU 1306A,CD distance=124' 21495+2334 BU 1306CD distance=124' 21495+2334 POU5518B,CD distance=124' 21433+2046 J 852 distance=125' 21547+2334 POU5560 distance=127' 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 21517+2134 BRT2501 324 5.2
Show 21500+2157 TDT3184 171 2.6 32
Show 21495+2202 COU 135 302 9.2 41
Show 21487+2144 BRT2500 243 4.6 41
Show 21506+2216 HO 467 AB 221 2.6 44
Show 21506+2216 HO 467 AC 334 41.8 44
Show 21537+2212 J 2361 114 7.5 48
Show 21513+2036 SKF2181 353 18.9 59
Show 21473+2134 GRV 505 327 45.5 61
Show 21481+2100 HU 378 298 0.2 61
Show 21497+2039 TDT3182 210 1.9 62
Show 21501+2242 TDT3185 202 0.6 71
Show 21467+2209 GMC 24 265 6.9 77
Show 21465+2210 HDS3101 Aa,Ab 22 0.1 81
Show 21465+2210 HO 465 AB 246 44.5 81
Show 21465+2210 HO 465 BC 80 4.9 81
Show 21461+2111 AG 277 62 2.7 82
Show 21458+2155 HU 1656 305 2.2 83
Show 21455+2156 AG 276 1 2.0 89
Show 21492+2256 LDS4910 143 35.7 89
Show 21457+2100 UC 4553 184 63.7 90
Show 21504+2303 J 3147 AB 219 5.1 92
Show 21504+2303 DAM 238 AC 37 5.0 92
Show 21569+2037 LDS1484 218 9.1 93
Show 21508+2308 DAM 239 328 9.5 95
Show 21576+2047 L 37 90 2.9 96
Show 21579+2224 GRV 524 59 47.9 102
Show 21505+1953 LDS4916 298 198.7 103
Show 21516+1950 HJ 947 AB 98 18.9 105
Show 21516+1950 HJ 947 AC 310 24.3 105
Show 21516+1950 HJ 947 BC 297 41.1 105
Show 21580+2235 UC 4614 229 12.4 108
Show 21595+2128 LDS1485 269 74.9 111
Show 21434+2147 COU 536 227 1.0 116
Show 21577+2015 STF2849 243 1.7 117
Show 21543+1943 STF2841 A,BC 110 22.4 118
Show 21543+1943 COU 432 BC 299 0.1 118
Show 21592+2042 UC 4621 321 13.8 118
Show 21461+2001 HU 376 14 1.4 121
Show 21431+2157 BRT2499 206 4.8 121
Show 21597+2049 GRV 526 81 45.6 122
Show 21429+2152 HJ 1683 AB 169 12.6 123
Show 21429+2152 HJ 1683 AC 315 27.3 123
Show 21429+2152 ABH 150 AD 28 75.5 123
Show 21560+1948 ALL 4 208 19.2 123
Show 21495+2334 BU 1306 AB 302 32.0 124
Show 21495+2334 BU 1306 A,CD 272 34.5 124
Show 21495+2334 BU 1306 CD 348 2.0 124
Show 21495+2334 POU5518 B,CD 208 17.5 124
Show 21433+2046 J 852 92 4.2 125
Show 21547+2334 POU5560 269 16.3 127

 
 
WDS 21517+2134 : COMPONENTS
 
 
  A
B pa=325.5°
sep=5.04"
 
 
21517+2134 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215137.79+213428.5 Mag 10.6 PmRA 24.00
PmDE -4.0
 
 
21517+2134 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215137.59+213432.6 Mag 10.7 PmRA 9.00
PmDE 14.0 Calc delta mag 0.1 Calc coord yes