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Doubles in session


Current system
19207+6543
DRS 18
Pi Dra


Nearby doubles
13' : 19223+6535
UC 3908

19' : 19217+6600
TDS 985

22' : 19210+6521
UC 3897AB

29' : 19201+6515
UC 3889

30' : 19226+6516
UC 3910

41' : 19246+6510
CTI3820

45' : 19178+6503
LDS2432

55' : 19128+6609
UC 3848

55' : 19136+6511
MLB 216

56' : 19138+6620
UC 3856AB

61' : 19297+6607
LDS2439

70' : 19100+6606
LDS2429

70' : 19237+6437
ES 1916

71' : 19131+6635
MLB 289AB

71' : 19212+6433
ES 194

75' : 19300+6630
STF2546AB

76' : 19257+6653
UC 3930

78' : 19329+6601
HU 1304

78' : 19084+6527
UC 3814

79' : 19330+6526
CLZ 77

79' : 19133+6647
MLR 98

80' : 19198+6423
BUP 188

83' : 19263+6658
HU 944

84' : 19340+6532
SKF2803

88' : 19320+6636
LDS2442

88' : 19191+6416
MLR 64



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.

19207+6543 DRS 18 (Pi Dra)

 
 
19h 20m 40.09s +65° 42' 52.3" P.A. 17.00 sep 13.1 mag 4.58,13.20 Sp A2III dist. 70.18 pc (228.93 l.y.)
 
 
Coord 2000 19207+6543 Discov num DRS  18 Comp Coord arcsec 2000 19 20 40.09 +65 42 52.3
Date first 2008 Date last 2015 Obs 2
Pa first 17 Pa last 16.7 P.A. Now (θ) 16.7°
Sep first 13.1 Sep last 13.1 Sep. Now (ρ) 13.1"
Mag pri 4.58 Mag sec 13.20 delta mag (ΔM) 8.62 Spectral class A2III (white)
Pri motion ra +015 Sec motion ra
Pri motion dec +041 Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Pi Dra Constellation Draco SAO 18299 HIP 95081
Tycho2 4229-01852-1 Gaia DR2 2254697512160109184 HD 182564 HR 7371
GC 26735 BD BD+65 1345 Bayer Pi Draconis Bayer name Pi Dra
Flamsteed 58 Draconis Flamsteed name 58 Dra FK5 3547 Distance 70.18
Distance ly 228.93 Bayer greek π Dra
 
 
WDS 19207+6543 DRS 18 (Pi Dra) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
DRs2011 A j De Rosa, R.J., Bulger, J., Patience, J., Leland, B., Macintosh, B., Schnieder, A., 2011MNRAS.415..854D
DRs2011 Song, I., Marois, C. et al.
DRs2011 MNRAS 415, 854, 2011 (Note: position angle ambiguous for AEOS data)
DRs2012 A j De Rosa, R.J., Patience, J., Vigan, A., Wilson, P.A., Schnieder, A., 2012MNRAS.422.2765D
DRs2012 McConnell, N.J., Wiktorowicz, S.J., Marois, C., Song, I., Macintosh, B.,
DRs2012 Graham, J.R., Bessell, M.S., Doyon, R., & Lai, O.
DRs2012 MNRAS 422, 2765, 2012
DRs2012 (includes re-reduction of some data originally published in DRs2011) 2011MNRAS.415..854D
DRs2014a A j De Rosa, R.J., Patience, J., Wilson, P. A., Schneider, A., Wiktorowicz, S. J., 2014MNRAS.437.1216D
DRs2014a +E2 Vigan, A., Marois, C., Song, I., Macintosh, B., Graham, J. R., et al.
DRs2014a MNRAS 437, 1216, 2014
DRs2014a (Note: Paper includes data from multiple telescopes/filters. Telescope/filter for
DRs2014a given date estimated when possible from other papers by authors; otherwise
DRs2014a approximate filter information and mean telescope aperture of 5m listed.)
DRs2014b A j De Rosa, R.J., Patience, J., Ward-Duong, K., Vigan, A., Marois, C., Song, I., 2014MNRAS.445.3694D
DRs2014b Macintosh, B., Graham, J.R., Doyon, R., Bessell, M.S., et al.
DRs2014b MNRAS 445, 3694, 2014
DRs2019 A j De Rosa, R.J., Nielsen, E.L., Rameau, J., Duchene, G., Greenbaum, A.Z., Wang, J.J., 2019AJ....158..226D
DRs2019 Ammons, S.M., Bailey, V.P., Barman, T., Bulger, J., Chilcote, J., Cotten, T.,
DRs2019 Doyon, R., Esposito, T.M., Fitzgerald, M.P., Follette, K.B., Gerard, B.L.,
DRs2019 Goodsell, S.J., Graham, J.R., Hibon, P., Horn, J., Hung, L.-W., Ingraham, P.,
DRs2019 Kalas, P., Konopacky, Q., Larkin, J.E., Macintosh, B., Maire, J., Marchis, F.,
DRs2019 Marley, M.S., Marois, C., Metchev, S., Millar-Blanchaer, M.A., Oppenheimer, R.,
DRs2019 Palmer, D., Patience, J., Perrin, M., Poyneer, L., Pueyo, L., Rajan, A., Rantakyro,
DRs2019 F.T., Ren, B., Ruffio, J.-B., Savransky, D., Schneider, A.C., Sivaramakrishnan, A.,
DRs2019 Song, I., Soummer, R., Tallis, M., Thomas, S., Wallace, J.K., Ward-Duong, K.,
DRs2019 Wiktorowicz, S. & Wolff, S.
DRs2019 AJ 158, 226, 2019
DRs2019 MNRAS 445, 3694, 2014
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19207+6543 DRS 18 2008 1 17 13.1 4.58 13.20 A2III DK 192040.09+654252.3
19207+6543 DRS 18 2015 2 17 13.1 4.58 13.20 A2III K 192040.09+654252.3

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

 
 
WDS 19207+6543 DRS 18 (Pi Dra) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19207+6543 DRS 18 (Pi Dra) : MEASURES
 
 
No records found.

 
 
WDS 19207+6543 (Pi Dra) : VIRTUAL EYEPIECE
 
 

19207+6543 DRS 18A mag 4.58 Sp A2III 19207+6543 DRS 18B sep 12.6 P.A. 7.00 mag 13.2 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 19207+6543 (Pi Dra) : ALADIN DSS IMAGE @ 19h 20m 40.09s +65° 42' 52.3"
 
 
 
 
WDS 19207+6543 DRS 18 (Pi Dra) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19207+6543 DRS 18 distance=0' 19223+6535 UC 3908 distance=13' 19217+6600 TDS 985 distance=19' 19210+6521 UC 3897AB distance=22' 19210+6521 UC 3897AC distance=22' 19210+6521 UC 3897BC distance=23' 19201+6515 UC 3889 distance=29' 19226+6516 UC 3910 distance=30' 19246+6510 CTI3820 distance=41' 19178+6503 LDS2432 distance=45' 19128+6609 UC 3848 distance=55' 19136+6511 MLB 216 distance=55' 19138+6620 UC 3856AB distance=56' 19138+6620 UC 3856AC distance=56' 19138+6620 UC 3856BC distance=57' 19297+6607 LDS2439 distance=61' 19100+6606 LDS2429 distance=70' 19237+6437 ES 1916 distance=70' 19131+6635 MLB 289AB distance=71' 19212+6433 ES 194 distance=71' 19131+6635 MLB 289BC distance=71' 19300+6630 STF2546AB distance=75' 19300+6630 BU 1335BC distance=75' 19257+6653 UC 3930 distance=76' 19329+6601 HU 1304 distance=78' 19084+6527 UC 3814 distance=78' 19330+6526 CLZ 77 distance=79' 19133+6647 MLR 98 distance=79' 19198+6423 BUP 188 distance=80' 19263+6658 HU 944 distance=83' 19340+6532 SKF2803 distance=84' 19320+6636 LDS2442 distance=88' 19191+6416 MLR 64 distance=88' 19107+6646 TDS 975 distance=88' 19242+6414 LDS2434 distance=92' 19213+6412 STI 890 distance=92' 19078+6459 TDS 966 distance=92' 19141+6707 HDS2722 distance=93' 19324+6648 LDS2443 distance=97' 19069+6501 LDS2428 distance=98' 19210+6405 STI 888 distance=99' 19106+6700 MLB 288 distance=99' 19202+6404 LDS2433 distance=99' 19063+6632 TDT1225 distance=100' 19059+6501 DAM 138 distance=101' 19362+6514 TDT1573 distance=101' 19222+6403 STI 892 distance=102' 19068+6450 ES 1915 distance=103' 19058+6501 DAM 137 distance=103' 19057+6502 ES 1914 distance=103' 19371+6624 MLB 217 distance=107' 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 19207+6543 DRS 18 17 13.1
Show 19223+6535 UC 3908 179 29.3 13
Show 19217+6600 TDS 985 159 0.9 19
Show 19210+6521 UC 3897 AB 140 49.3 22
Show 19210+6521 UC 3897 AC 103 33.8 22
Show 19210+6521 UC 3897 BC 2 30.1 23
Show 19201+6515 UC 3889 53 30.7 29
Show 19226+6516 UC 3910 228 97.1 30
Show 19246+6510 CTI3820 82 1.3 41
Show 19178+6503 LDS2432 240 43.6 45
Show 19128+6609 UC 3848 3 51.1 55
Show 19136+6511 MLB 216 193 2.9 55
Show 19138+6620 UC 3856 AB 259 42.3 56
Show 19138+6620 UC 3856 AC 299 45.4 56
Show 19138+6620 UC 3856 BC 3 30.4 57
Show 19297+6607 LDS2439 289 11.6 61
Show 19100+6606 LDS2429 136 54.4 70
Show 19237+6437 ES 1916 228 6.3 70
Show 19131+6635 MLB 289 AB 285 32.0 71
Show 19212+6433 ES 194 217 4.6 71
Show 19131+6635 MLB 289 BC 359 5.7 71
Show 19300+6630 STF2546 AB 10 8.5 75
Show 19300+6630 BU 1335 BC 24 2.2 75
Show 19257+6653 UC 3930 235 33.0 76
Show 19329+6601 HU 1304 281 0.9 78
Show 19084+6527 UC 3814 265 30.7 78
Show 19330+6526 CLZ 77 233 17.5 79
Show 19133+6647 MLR 98 286 0.5 79
Show 19198+6423 BUP 188 180 114.9 80
Show 19263+6658 HU 944 356 1.5 83
Show 19340+6532 SKF2803 115 37.0 84
Show 19320+6636 LDS2442 180 7.3 88
Show 19191+6416 MLR 64 224 0.5 88
Show 19107+6646 TDS 975 275 1.0 88
Show 19242+6414 LDS2434 316 13.0 92
Show 19213+6412 STI 890 148 4.9 92
Show 19078+6459 TDS 966 151 0.8 92
Show 19141+6707 HDS2722 25 0.1 93
Show 19324+6648 LDS2443 245 11.2 97
Show 19069+6501 LDS2428 250 4.0 98
Show 19210+6405 STI 888 174 3.9 99
Show 19106+6700 MLB 288 288 3.9 99
Show 19202+6404 LDS2433 110 2.4 99
Show 19063+6632 TDT1225 96 2.4 100
Show 19059+6501 DAM 138 138 5.2 101
Show 19362+6514 TDT1573 314 0.9 101
Show 19222+6403 STI 892 189 3.5 102
Show 19068+6450 ES 1915 292 1.3 103
Show 19058+6501 DAM 137 43 7.1 103
Show 19057+6502 ES 1914 338 2.6 103
Show 19371+6624 MLB 217 231 2.6 107

 
 
WDS 19207+6543 : COMPONENTS
 
 
  A
B pa=7.0°
sep=12.64"
 
 
19207+6543 A
 
 
Componente originario normalizzato AB Name Pi Dra Coord arcsec 2000 192040.09+654252.3 Mag 4.58
Spectral class A2III (white) PmRA 15.00 PmDE 41.0 SAO 18299
HIP 95081 Tycho2 4229-01852-1 HD 182564 HR 7371
GC 26735 BD BD+65 1345 Bayer Pi Draconis Bayer name Pi
Flamsteed 58 Draconis Flamsteed name 58 Dra FK5 3547
Tycho2
Tycho2 4229-01852-1 Pflag RAmdeg 290.16704378 DEmdeg 65.71452899
PmRA 13.4 PmDE 40.8 E RAmdeg 3 E DEmdeg 3
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.47 EpDEm 1991.59
Num 14 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.1
Q pmDE 1.3 BTmag 4.629 E BTmag 0.014 VTmag 4.580
E VTmag 0.009 Prox 999 TYC T HIP 95081
CCDM RAdeg 290.16696833 DEdeg 65.71443500 EpRA 1990 1.62
EpDE 1990 1.72 E RAdeg 3.3 E DEdeg 3.3 Posflg
Corr 0.0
SAO
SAO 18299 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 0.042 Vmag 4.6 SpType A2
Double code Source 70 CatNum 26735 DM BD+65 1345
DMcomp BDsup HD 182564 M HD 0
GC 26735 RA1950rad 5.06326529 DE1950rad 1.1452519 PmRA2000 0.0024
PmDE2000 0.04
Hipparcos
Catalog H HIP 95081 Proxy RAhms 19 20 40.07
DEdms +65 42 51.9 Vmag 4.6 VarFlag R Vmag H
RAdeg 290.167 DEdeg 65.7144 AstroRef Plx 14.52
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 182564 BD BD+65 1345
CD CP Dm number +65 1345 VIred 0.01
SpType A2IIIs R SpType Coord arcsec 2000 192040.07+654251.9
Hipparcos 2
HIP 95081 Sn 5 So 0 Nc 1
RArad 5.0643689437 DErad 1.1469331779 Plx 14.25 PmRA 15.09
PmDE 41.12 E RArad 0.1 E DErad 0.12 E Plx 0.12
E pmRA 0.09 E pmDE 0.13 Hpmag 4.6039 E Hpmag 0.0004
SHp 0.004 VA 0 BV 0.033 E BV 0.01
VI 0.01
 
 
19207+6543 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 192040.34+654304.8 Mag 13.2 Calc delta mag 8.62
Calc coord yes