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Current system
18498+1639
BPM 853


Nearby doubles
11' : 18497+1629
BRT1311

16' : 18503+1626
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18' : 18496+1621
BPM 849

27' : 18489+1615
STF2400AB

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BPM 834

33' : 18515+1700
BPMA 65

34' : 18518+1654
TLB 86

35' : 18521+1635
BPM 871

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J 2678

37' : 18502+1603
RAO 399

39' : 18472+1655
ARN 75

41' : 18525+1644
BPM 875

42' : 18520+1705
COU 720

46' : 18504+1554
BPM 860

48' : 18481+1557
BPM 835

48' : 18517+1600
BPM 870

50' : 18464+1641
HEI 261

51' : 18466+1659
STF2385AB

54' : 18500+1733
BPM 855

54' : 18478+1725
BPM 832

55' : 18461+1655
HEI 259

55' : 18463+1659
HEI 260

57' : 18535+1619
HEI 263

60' : 18484+1542
BPMA 61

61' : 18504+1739
KPP 859

67' : 18533+1557
BPM 879



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18498+1639 BPM 853

 
 
18h 49m 45.12s +16° 38' 59.4" P.A. 163.00 sep 102.8 mag 12.56,14.54
 
 
Coord 2000 18498+1639 Discov num BPM 853 Comp Coord arcsec 2000 18 49 45.12 +16 38 59.4
Date first 1996 Date last 2015 Obs 9
Pa first 163 Pa last 163.3 P.A. Now (θ) 163.3°
Sep first 102.7 Sep last 102.757 Sep. Now (ρ) 102.757"
Mag pri 12.56 Mag sec 14.54 delta mag (ΔM) 1.98 Spectral class
Pri motion ra +027 Sec motion ra -002
Pri motion dec -026 Sec motion dec -003
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.987
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4511046482190561024
 
 
WDS 18498+1639 BPM 853 : NOTES
 
 
discov_num notes refcode
BPM 853 [PM2000] 1594694 + [PM2000] 1594986. Gvr2010
 
 
REFERENCES
 
 
refcode metd author reference
Gvr2010 Pa - Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C. 2010A&A...521A 4G
Gvr2010 +T A&A 521, A4, 2010
Gvr2010 (Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010 catalogs, spanning years ~1900-2000)
 
 
DISCOVERER
 
 
discov author
BPM Bordeaux PM2000 catalogue (main catalog: separation < 2')
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
18498+1639 BPM 853 1999 2 163 102.8 12.57 14.60 NV 184945.12+163859.4
18498+1639 BPM 853 2001 3 163 102.7 12.57 14.60 NV 184945.12+163859.4
18498+1639 BPM 853 2010 4 164 102.7 12.56 14.54 NV 184945.12+163859.4
18498+1639 BPM 853 2015 5 163 102.8 12.56 14.54 NV 184945.12+163859.4

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

 
 
WDS 18498+1639 BPM 853 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18498+1639 BPM 853 : MEASURES
 
 
No records found.

 
 
WDS 18498+1639 : VIRTUAL EYEPIECE
 
 

18498+1639 BPM 853A mag 12.56 18498+1639 BPM 853B sep 102.8 P.A. 163.30 mag 14.54 virtual eyepiece
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Radius:
Components only
 
 
WDS 18498+1639 : ALADIN DSS IMAGE @ 18h 49m 45.12s +16° 38' 59.4"
 
 
 
 
WDS 18498+1639 BPM 853 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18498+1639 BPM 853 distance=0' 18497+1629 BRT1311 distance=11' 18503+1626 BPM 859 distance=16' 18496+1621 BPM 849 distance=18' 18489+1615 STF2400AB distance=27' 18489+1615 STF2400AD distance=27' 18489+1615 STF2400AC distance=27' 18489+1615 STF2400A,BC distance=27' 18489+1615 STF2400BC distance=27' 18481+1656 BPM 834 distance=30' 18515+1700 BPMA 65 distance=33' 18518+1654 TLB 86 distance=34' 18521+1635 BPM 871 distance=35' 18476+1655 J 2678 distance=36' 18502+1603 RAO 399 distance=37' 18472+1655 ARN 75 distance=39' 18525+1644 BPM 875 distance=41' 18520+1705 COU 720 distance=42' 18504+1554 BPM 860 distance=46' 18481+1557 BPM 835 distance=48' 18517+1600 BPM 870 distance=48' 18464+1641 HEI 261 distance=50' 18466+1659 STF2385AB distance=51' 18466+1659 MAD 10AC distance=51' 18500+1733 BPM 855 distance=54' 18478+1725 BPM 832 distance=54' 18461+1655 HEI 259 distance=55' 18463+1659 HEI 260 distance=55' 18535+1619 HEI 263 distance=57' 18484+1542 BPMA 61 distance=60' 18504+1739 KPP 859 distance=61' 18533+1557 BPM 879 distance=67' 18477+1539 BPM 831 distance=67' 18456+1604 BPM 820 distance=69' 18475+1537 HU 584Aa,Ab distance=71' 18475+1537 GII 20AB distance=71' 18470+1541 GII 5 distance=71' 18539+1719 LDS5868 distance=73' 18509+1751 BPM 867 distance=75' 18491+1524 BPM 842 distance=76' 18506+1525 BPM 862 distance=76' 18533+1737 BPM 878 distance=77' 18551+1644 WFC 216 distance=77' 18449+1606 HEI 173 distance=78' 18484+1524 J 2150 distance=78' 18500+1519 YSC 12AB distance=81' 18500+1519 LLO 16AC distance=81' 18500+1519 LLO 16AD distance=81' 18487+1803 BPM 840 distance=86' 18551+1717 COU 721AB distance=87' 18551+1717 COU 721AC distance=87' 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 18498+1639 BPM 853 163 102.8 0
Show 18497+1629 BRT1311 204 4.3 11
Show 18503+1626 BPM 859 264 110.0 16
Show 18496+1621 BPM 849 245 101.4 18
Show 18489+1615 STF2400 AB 159 11.1 27
Show 18489+1615 STF2400 AD 157 0.4 27
Show 18489+1615 STF2400 AC 162 11.8 27
Show 18489+1615 STF2400 A,BC 160 11.0 27
Show 18489+1615 STF2400 BC 203 1.0 27
Show 18481+1656 BPM 834 51 119.5 30
Show 18515+1700 BPMA 65 297 191.5 33
Show 18518+1654 TLB 86 100 25.9 34
Show 18521+1635 BPM 871 188 76.6 35
Show 18476+1655 J 2678 27 5.5 36
Show 18502+1603 RAO 399 140 2.8 37
Show 18472+1655 ARN 75 26 60.9 39
Show 18525+1644 BPM 875 352 114.0 41
Show 18520+1705 COU 720 194 4.5 42
Show 18504+1554 BPM 860 174 80.3 46
Show 18481+1557 BPM 835 272 105.6 48
Show 18517+1600 BPM 870 335 90.7 48
Show 18464+1641 HEI 261 102 2.4 50
Show 18466+1659 STF2385 AB 30 5.5 51
Show 18466+1659 MAD 10 AC 26 71.9 51
Show 18500+1733 BPM 855 290 63.8 54
Show 18478+1725 BPM 832 244 111.2 54
Show 18461+1655 HEI 259 248 1.9 55
Show 18463+1659 HEI 260 301 2.2 55
Show 18535+1619 HEI 263 353 6.3 57
Show 18484+1542 BPMA 61 54 281.7 60
Show 18504+1739 KPP 859 12 7.3 61
Show 18533+1557 BPM 879 224 33.0 67
Show 18477+1539 BPM 831 340 117.9 67
Show 18456+1604 BPM 820 18 61.6 69
Show 18475+1537 HU 584 Aa,Ab 5 0.3 71
Show 18475+1537 GII 20 AB 184 0.3 71
Show 18470+1541 GII 5 102 8.3 71
Show 18539+1719 LDS5868 158 10.3 73
Show 18509+1751 BPM 867 187 46.3 75
Show 18491+1524 BPM 842 278 103.7 76
Show 18506+1525 BPM 862 276 60.3 76
Show 18533+1737 BPM 878 78 38.6 77
Show 18551+1644 WFC 216 88 12.0 77
Show 18449+1606 HEI 173 305 3.7 78
Show 18484+1524 J 2150 34 19.9 78
Show 18500+1519 YSC 12 AB 27 0.5 81
Show 18500+1519 LLO 16 AC 19 11.1 81
Show 18500+1519 LLO 16 AD 225 15.7 81
Show 18487+1803 BPM 840 103 103.0 86
Show 18551+1717 COU 721 AB 302 3.3 87
Show 18551+1717 COU 721 AC 149 17.5 87

 
 
WDS 18498+1639 : COMPONENTS
 
 
  A
B pa=163.3°
sep=102.76"
 
 
18498+1639 A
 
 
Coord arcsec 2000 184945.12+163859.4 Mag 12.56 PmRA 27.00 PmDE -26.0
 
 
18498+1639 B
 
 
Coord arcsec 2000 184947.17+163721.0 Mag 14.54 PmRA -2.00 PmDE -3.0
Delta magnitude 1.98 Coordinate calculated yes