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Current system
16270-2446
HER 17 AB


Nearby doubles
6' : 16271-2440
ALO 4

7' : 16273-2442
CST 8AB

7' : 16267-2440
RAT 7

8' : 16272-2452
BOV 55

8' : 16268-2438
BNY 2

8' : 16273-2439
YLW 11AB

9' : 16274-2441
ALO 10AB

10' : 16275-2440
YLW 16AB

10' : 16270-2436
YLW 4AB

10' : 16277-2443
DCH 81

11' : 16265-2438
CST 4

11' : 16276-2438
DCH 79

12' : 16276-2439
DCH 80

13' : 16277-2439
DCH 82AB

13' : 16279-2446
DCH 85AB

14' : 16279-2441
AGE 8

15' : 16280-2440
RAT 15

16' : 16275-2433
DCH 78

16' : 16275-2431
DCH 77AB

17' : 16280-2436
DCH 86AB

17' : 16274-2430
ALO 8AB

17' : 16269-2429
DCH 74

18' : 16268-2428
BNY 1

18' : 16271-2429
CST 7

18' : 16273-2429
YLW 12AB

18' : 16276-2431
HCH 5



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

16270-2446 HER 17 AB

 
 
16h 26m 58.53s -24° 45' 36.7" P.A. 349.00 sep 5.1 mag 12.90,16.90 Sp em
 
 
Coord 2000 16270-2446 Discov num HER  17 Comp AB Coord arcsec 2000 16 26 58.53 -24 45 36.7
Date first 1960 Date last 2015 Obs 13
Pa first 340 Pa last 349.4 P.A. Now (θ) 349.4°
Sep first 6.0 Sep last 5.07 Sep. Now (ρ) 5.07"
Mag pri 12.90 Mag sec 16.90 delta mag (ΔM) 4 Spectral class em
Pri motion ra +004 Sec motion ra
Pri motion dec -061 Sec motion dec
Notes N B (See Notes, Blue magnitudes)
Nature of this double is uncertain.
 
 
16270-2446 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 16 26 59 -24 45 37 CST 6 Aa,Ab 1996 1 38 0.1 11.56
Show 16 26 59 -24 45 37 HER 17 AB 2015 13 349 5.1 12.90 16.90 4.00 <===
Show 16 26 58 -24 45 32 COR 8 Ba,Bb 2015 5 241 0.1 9.10 9.80 0.70 Y
Quadruple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Gaia DR2 6049069808414965888
 
 
WDS 16270-2446 HER 17 AB : NOTES
 
 
discov_num notes refcode
HER 17 IR sources in rho Oph cloud. AB = HBC 262 = YLW 3AB. Her1962
A component = GY 168 = SR 24N, B = GY 167 = SR 24S.
1949.: Noted as double, apparently seen on plate from Ross "Atlas of
the Milky Way"
 
 
REFERENCES
 
 
refcode metd author reference
Her1962 Pa - Herbig, G.H. 1962AdA&A...1...47H
Her1962 Advances Astron. Astrophys. 1, 47, 1962
Her1962 (Exact dates, telescopes, and techniques not given. Default date = decade of
Her1962 publication added.)
 
 
DISCOVERER
 
 
idgroup discov author
1 COR Correia, S. & Richichi, A.
4 COR Correia, S., Duchene, G., Reipurth, B., Zinnecker, H., Daemgen, S., Petr-Gotzens,
4 COR M.G., Kohler, R., Ratzka, Th., Aspin, C., Konopacky, Q.M., & Ghez, A.M.
5 CST Costa, A., Jessop, N.E., Yun, J.L., Santos, C.A., Ward-Thompson, D., & Casali, M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16270-2446 HER 17 AB 2004 5 349 5.1 12.90 16.90 N DB 162658.53-244535.3
16270-2446 HER 17 AB 2010 9 343 4.9 12.90 16.90 em N B 162658.53-244536.7
16270-2446 HER 17 AB 2015 12 349 5.1 12.90 16.90 em N B 162658.53-244536.7

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

 
 
WDS 16270-2446 HER 17 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16270-2446 HER 17 AB : MEASURES
 
 
No records found.

 
 
WDS 16270-2446 : VIRTUAL EYEPIECE
 
 

16270-2446 HER 17A mag 12.9 Sp em 16270-2446 CST 6Ab sep 0.1 P.A. 35.40 16270-2446 COR 8B sep 5.1 P.A. 344.50 mag 9.1 16270-2446 COR 8Bb sep 5.1 P.A. 343.50 mag 9.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16270-2446 : ALADIN DSS IMAGE @ 16h 26m 58.53s -24° 45' 36.7"
 
 
 
 
WDS 16270-2446 HER 17 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16270-2446 HER 17AB distance=0' 16270-2446 COR 8Ba,Bb distance=1' 16271-2440 ALO 4 distance=6' 16273-2442 ALO 7Ca,Cb distance=7' 16273-2442 CST 8AB distance=7' 16273-2442 ALO 7AB,C distance=7' 16273-2442 ALO 7AB,D distance=7' 16273-2442 YLW 13AB,E distance=7' 16267-2440 RAT 7 distance=7' 16272-2452 BOV 55 distance=8' 16268-2438 BNY 2 distance=8' 16273-2439 YLW 11AB distance=8' 16273-2439 RES 1CD distance=8' 16273-2439 RIE 1BC distance=8' 16273-2439 RES 1BD distance=8' 16274-2441 GRT 1Aa,Ab distance=9' 16274-2441 ALO 10AB distance=9' 16275-2440 YLW 16AB distance=10' 16275-2440 TER 2Aa,Ab distance=10' 16270-2436 YLW 4AB distance=10' 16270-2436 YLW 4AC distance=10' 16277-2443 DCH 81 distance=10' 16270-2436 YLW 4BC distance=10' 16265-2438 CST 4 distance=11' 16276-2438 DCH 79 distance=11' 16276-2439 DCH 80 distance=12' 16277-2439 DCH 82AB distance=13' 16277-2439 DCH 82AC distance=13' 16277-2439 DCH 82AD distance=13' 16279-2446 DCH 85AB distance=13' 16279-2446 DCH 85AC distance=13' 16279-2441 AGE 8 distance=14' 16280-2440 RAT 15 distance=15' 16275-2433 DCH 78 distance=16' 16275-2431 CST 10Aa,Ab distance=16' 16275-2431 DCH 77AB distance=16' 16280-2436 DCH 86AB distance=17' 16280-2436 DCH 86AC distance=17' 16274-2430 ALO 8AB distance=17' 16269-2429 DCH 74 distance=17' 16274-2430 ALO 9CD distance=18' 16268-2428 BNY 1 distance=18' 16273-2429 RAT 12Ca,Cb distance=18' 16271-2429 CST 7 distance=18' 16273-2429 YLW 12AB distance=18' 16273-2429 YLW 12AC distance=18' 16273-2429 YLW 12AD distance=18' 16276-2431 HCH 5 distance=18' 16282-2451 RAT 17 distance=18' 16278-2432 DCH 83AB distance=18' 16278-2432 DCH 83AC distance=18' 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 16270-2446 CST 6 Aa,Ab 38 0.1
Show 16270-2446 HER 17 AB 349 5.1
Show 16270-2446 COR 8 Ba,Bb 241 0.1 1
Show 16271-2440 ALO 4 354 7.7 6
Show 16273-2442 ALO 7 Ca,Cb -1 0.3 7
Show 16273-2442 CST 8 AB 78 0.1 7
Show 16273-2442 ALO 7 AB,C 163 8.8 7
Show 16273-2442 ALO 7 AB,D 3 4.4 7
Show 16273-2442 YLW 13 AB,E 96 26.7 7
Show 16267-2440 RAT 7 259 0.1 7
Show 16272-2452 BOV 55 302 10.2 8
Show 16268-2438 BNY 2 291 3.6 8
Show 16273-2439 YLW 11 AB 102 58.0 8
Show 16273-2439 RES 1 CD 353 2.3 8
Show 16273-2439 RIE 1 BC 270 3.2 8
Show 16273-2439 RES 1 BD 52 3.7 8
Show 16274-2441 GRT 1 Aa,Ab 334 0.6 9
Show 16274-2441 ALO 10 AB 323 7.2 9
Show 16275-2440 YLW 16 AB 102 24.0 10
Show 16275-2440 TER 2 Aa,Ab 267 0.3 10
Show 16270-2436 YLW 4 AB 308 29.6 10
Show 16270-2436 YLW 4 AC 2 58.1 10
Show 16277-2443 DCH 81 10 1.6 10
Show 16270-2436 YLW 4 BC 32 47.2 10
Show 16265-2438 CST 4 255 0.4 11
Show 16276-2438 DCH 79 84 6.3 11
Show 16276-2439 DCH 80 102 3.3 12
Show 16277-2439 DCH 82 AB 100 6.4 13
Show 16277-2439 DCH 82 AC 80 8.1 13
Show 16277-2439 DCH 82 AD 254 9.8 13
Show 16279-2446 DCH 85 AB 256 6.2 13
Show 16279-2446 DCH 85 AC 261 8.7 13
Show 16279-2441 AGE 8 251 0.4 14
Show 16280-2440 RAT 15 277 0.2 15
Show 16275-2433 DCH 78 196 7.6 16
Show 16275-2431 CST 10 Aa,Ab 353 0.5 16
Show 16275-2431 DCH 77 AB 314 8.8 16
Show 16280-2436 DCH 86 AB 116 6.8 17
Show 16280-2436 DCH 86 AC 113 7.2 17
Show 16274-2430 ALO 8 AB 84 6.0 17
Show 16269-2429 DCH 74 205 9.3 17
Show 16274-2430 ALO 9 CD 313 8.5 18
Show 16268-2428 BNY 1 341 4.4 18
Show 16273-2429 RAT 12 Ca,Cb 284 0.2 18
Show 16271-2429 CST 7 321 0.8 18
Show 16273-2429 YLW 12 AB 66 8.6 18
Show 16273-2429 YLW 12 AC 128 15.8 18
Show 16273-2429 YLW 12 AD 61 25.5 18
Show 16276-2431 HCH 5 122 15.3 18
Show 16282-2451 RAT 17 101 3.6 18
Show 16278-2432 DCH 83 AB 161 2.2 18

 
 
WDS 16270-2446 : COMPONENTS
 
 
  A Ab B
Ab pa=35.4°
sep=0.10"
 
B pa=344.5°
sep=5.09"
pa=343.6°
sep=5.03"
 
Bb pa=343.5°
sep=5.06"
pa=342.6°
sep=5.00"
pa=238.2°
sep=0.09"
 
 
16270-2446 A
 
 
Coord arcsec 2000 162658.53-244536.7 Mag 12.9 Spectral class em PmRA 4.00
PmDE -61.0
 
 
16270-2446 Ab
 
 
Coord arcsec 2000 162658.53-244536.6 Calc delta mag 11.56 Calc coord yes
 
 
16270-2446 B
 
 
Coord arcsec 2000 162658.43-244531.8 Coord calc 162658.47-244531.7 Mag 9.1 Mag composta 16.9
Calc delta mag 2.46
 
 
16270-2446 Bb
 
 
Coord arcsec 2000 162658.42-244531.8 Mag 9.8 Calc delta mag 1.76 Calc coord yes