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Doubles in session


Current system
03446+3209
HER 20 CD


Nearby doubles
1' : 03445+3209
DCH 12

1' : 03447+3209
DCH 16

1' : 03446+3210
BU 880AB

2' : 03447+3210
DCH 15

2' : 03446+3208
HER 7

2' : 03448+3209
NJT 8

2' : 03444+3209
NJT 3

2' : 03445+3208
NJT 4

2' : 03447+3211
HER 21

2' : 03444+3208
HER 19

3' : 03448+3208
NJT 9AB

3' : 03445+3210
DCH 9AB

3' : 03447+3208
DCH 17

3' : 03445+3207
DCH 13

3' : 03446+3207
DCH 14

3' : 03445+3211
DCH 10

3' : 03447+3206
NJT 7

3' : 03445+3212
DCH 8

3' : 03444+3211
NJT 2

4' : 03444+3207
DCH 7

4' : 03444+3206
DCH 6

4' : 03444+3212
NJT 1

4' : 03448+3206
HER 22

4' : 03443+3208
DCH 4

6' : 03442+3207
STF 437AB

7' : 03441+3207
DCH 3



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.

03446+3209 HER 20 CD

 
 
03h 44m 35.46s +32° 08' 56.2" P.A. 132.00 sep 1.3 mag 20.73,24.00 Sp M5.25
 
 
Coord 2000 03446+3209 Discov num HER  20 Comp CD Coord arcsec 2000 03 44 35.46 +32 08 56.2
Date first 1995 Date last 1995 Obs 1
Pa first 132 Pa last 132 P.A. Now (θ) 132°
Sep first 1.3 Sep last 1.3 Sep. Now (ρ) 1.3"
Mag pri 20.73 Mag sec 24.00 delta mag (ΔM) 3.27 Spectral class M5.25 (red)
Pri motion ra +012 Sec motion ra
Pri motion dec -080 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
03446+3209 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 03 44 33 +32 08 37 DCH 11 AB 2015 17 338 5.4 13.54 16.26 2.72
Show 03 44 35 +32 08 56 HER 20 CD 1995 1 132 1.3 20.73 24.00 3.27 <===
Show 03 44 35 +32 08 56 NJT 6 CE 2015 4 280 5.7 11.83 13.67 1.84
Show 03 44 35 +32 08 56 NJT 6 EF 2006 2 214 3.0 13.67 17.76 4.09
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus Gaia DR2 216678493039860480
 
 
WDS 03446+3209 HER 20 CD : NOTES
 
 
discov_num notes refcode
DCH 11 AB: HMW 27/28 = LLRL 16/33. Monitored for photometric variability
1998-2003 by Cohen et al. (2004). Range of variability dI = 0.097 mag
for A, 1.462 mag for B. Multiple periods seen for A, average = 2.656d.
Photometry of B may be contaminated by nearby companion. CHW2004
HER 20 CD: HM 107 = LLRL 165. Monitored for photometric variability 1998-2003
by Cohen et al. (2004). Range of variability dI = 0.328 mag, no
periodicity found. Photometry may be contaminated by nearby star. CHW2004
 
 
REFERENCES
 
 
refcode metd author reference
CHW2004 C - Cohen, R.E., Herbst, W., & Williams, E.C. 2004AJ....127.1602C
CHW2004 AJ 127, 1602, 2004
 
 
DISCOVERER
 
 
idgroup discov author
1 DCH Duchene, G., Bouvier, J. & Simon, T
24 DCH Duchene, G., McCabe, C., Pinte, C., Stapelfeldt, K.R., Menard, F., Duvert, G.,
24 DCH Ghez, A.M., Maness, H.L., Bouy, H., Barrado y Navascues, D., Morales-Calderon, M.,
24 DCH Wolf, S., et al.
27 DCH Duchene, G., Oon, J.T., De Rosa, R.J., Kantorski, P., Coy, B., Wang, J.J., Thomas,
27 DCH S., Patience, J., Pueyo, L., Nielsen, E.L. & Konopacky, Q.
28 HER Herbig, G.H.
52 NJT Najita, J.R., Tiede, G.P., & Carr, J.S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03446+3209 HER 20 CD 1995 1 132 1.3 20.73 24.00 M5.25 D 034435.46+320856.2

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

 
 
WDS 03446+3209 HER 20 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03446+3209 HER 20 CD : MEASURES
 
 
No records found.

 
 
WDS 03446+3209 : VIRTUAL EYEPIECE
 
 

03446+3209 DCH 11A mag 13.54 Sp G3V 03446+3209 DCH 11B sep 5.3 P.A. 341.30 mag 16.26 Sp M2 03446+3209 HER 20C sep 39.3 P.A. 60.80 mag 20.73 Sp M5.25 03446+3209 HER 20D sep 39.6 P.A. 62.40 mag 24 03446+3209 NJT 6E sep 34.5 P.A. 56.80 mag 13.67 03446+3209 NJT 6F sep 31.9 P.A. 59.10 mag 17.76 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03446+3209 : ALADIN DSS IMAGE @ 03h 44m 35.46s +32° 08' 56.2"
 
 
 
 
WDS 03446+3209 HER 20 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03446+3209 HER 20CD distance=0' 03446+3209 NJT 6EF distance=1' 03446+3209 DCH 11AB distance=1' 03445+3209 DCH 12 distance=1' 03447+3209 DCH 16 distance=1' 03446+3210 BU 880AB distance=1' 03446+3210 STF 439AB,D distance=1' 03446+3210 WAL 24AB,E distance=1' 03447+3210 DCH 15 distance=2' 03446+3208 HER 7 distance=2' 03445+3210 NJT 5CD distance=2' 03448+3209 NJT 8 distance=2' 03444+3209 NJT 3 distance=2' 03445+3208 NJT 4 distance=2' 03447+3211 HER 21 distance=2' 03444+3208 HER 19 distance=2' 03448+3208 NJT 9AB distance=3' 03445+3210 DCH 9AB distance=3' 03447+3208 DCH 17 distance=3' 03445+3207 DCH 13 distance=3' 03448+3208 NJT 9BC distance=3' 03446+3207 DCH 14 distance=3' 03444+3210 DCH 5CE distance=3' 03445+3211 DCH 10 distance=3' 03447+3206 NJT 7 distance=3' 03445+3212 DCH 8 distance=3' 03444+3211 NJT 2 distance=3' 03444+3207 DCH 7 distance=4' 03444+3206 DCH 6 distance=4' 03444+3212 NJT 1 distance=4' 03448+3206 HER 22 distance=4' 03443+3208 DCH 4 distance=4' 03442+3207 STF 437AB distance=6' 03441+3207 DCH 3 distance=7' 03447+3202 TBN 20AB distance=8' 03447+3202 TBN 20Ba,Bb distance=8' 03440+3210 DCH 2 distance=8' 03443+3217 BU 535 (Atik) distance=10' 03440+3202 TBN 19AB distance=10' 03440+3202 TBN 19AC distance=10' 03440+3203 CHX 8AC distance=11' 03440+3203 TBN 18AB distance=11' 03437+3208 DCH 1 distance=11' 03438+3203 TBN 17 distance=11' 03439+3201 CHX 7 distance=12' 03457+3226 HDS 475 distance=23' 03427+3203 GMZ 22BC distance=25' 03423+3141 COU 691 distance=42' 03460+3245 GRV 191 distance=42' 03425+3256 HJ 336 distance=55' 03491+3216 STT 516 distance=58' 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 03446+3209 HER 20 CD 132 1.3
Show 03446+3209 NJT 6 CE 280 5.7
Show 03446+3209 NJT 6 EF 214 3.0 1
Show 03446+3209 DCH 11 AB 338 5.4 1
Show 03445+3209 DCH 12 314 6.6 1
Show 03447+3209 DCH 16 350 0.4 1
Show 03446+3210 BU 880 AB 18 0.6 1
Show 03446+3210 STF 439 AB,D 39 23.4 1
Show 03446+3210 WAL 24 AB,E 282 44.0 1
Show 03447+3210 DCH 15 187 0.1 2
Show 03446+3208 HER 7 101 4.3 2
Show 03445+3210 NJT 5 CD 46 7.4 2
Show 03448+3209 NJT 8 218 2.7 2
Show 03444+3209 NJT 3 125 6.1 2
Show 03445+3208 NJT 4 6.4 2
Show 03447+3211 HER 21 8 0.8 2
Show 03444+3208 HER 19 280 1.7 2
Show 03448+3208 NJT 9 AB 123 6.3 3
Show 03445+3210 DCH 9 AB 104 2.5 3
Show 03447+3208 DCH 17 156 1.0 3
Show 03445+3207 DCH 13 254 0.2 3
Show 03448+3208 NJT 9 BC 17 6.2 3
Show 03446+3207 DCH 14 151 0.6 3
Show 03444+3210 DCH 5 CE 313 6.6 3
Show 03445+3211 DCH 10 214 0.7 3
Show 03447+3206 NJT 7 215 4.9 3
Show 03445+3212 DCH 8 85 1.3 3
Show 03444+3211 NJT 2 188 7.0 3
Show 03444+3207 DCH 7 101 0.1 4
Show 03444+3206 DCH 6 357 0.3 4
Show 03444+3212 NJT 1 125 1.4 4
Show 03448+3206 HER 22 6 1.0 4
Show 03443+3208 DCH 4 290 3.1 4
Show 03442+3207 STF 437 AB 310 11.2 6
Show 03441+3207 DCH 3 112 1.3 7
Show 03447+3202 TBN 20 AB 246 9.6 8
Show 03447+3202 TBN 20 Ba,Bb 48 0.7 8
Show 03440+3210 DCH 2 113 2.1 8
Show Atik 03443+3217 BU 535 21 1.0 10
Show 03440+3202 TBN 19 AB -1 6.1 10
Show 03440+3202 TBN 19 AC -1 36.6 10
Show 03440+3203 CHX 8 AC 58 9.8 11
Show 03440+3203 TBN 18 AB -1 3.0 11
Show 03437+3208 DCH 1 339 2.6 11
Show 03438+3203 TBN 17 -1 16.1 11
Show 03439+3201 CHX 7 204 0.3 12
Show 03457+3226 HDS 475 302 2.2 23
Show 03427+3203 GMZ 22 BC 298 2.0 25
Show 03423+3141 COU 691 270 0.1 42
Show 03460+3245 GRV 191 76 28.1 42
Show 03425+3256 HJ 336 325 45.2 55

 
 
WDS 03446+3209 : COMPONENTS
 
 
  A B C D E
B pa=341.3°
sep=5.26"
 
C pa=60.8°
sep=39.30"
pa=68.4°
sep=38.69"
 
D pa=62.4°
sep=39.61"
pa=70.1°
sep=39.14"
pa=136.8°
sep=1.19"
 
E pa=56.8°
sep=34.47"
pa=65.5°
sep=33.54"
pa=266.9°
sep=5.47"
pa=275.2°
sep=6.30"
 
F pa=59.1°
sep=31.91"
pa=68.6°
sep=31.23"
pa=247.8°
sep=7.46"
pa=255.9°
sep=7.97"
pa=209.9°
sep=2.90"
 
 
03446+3209 A
 
 
Coord arcsec 2000 034432.76+320837.0 Mag 13.54 Spectral class G3V (yellow) PmRA 6.00
PmDE -10.0
 
 
03446+3209 B
 
 
Coord arcsec 2000 034432.63+320842.0 Mag 16.26 Spectral class M2 (red) Calc delta mag 2.72
Calc coord yes
 
 
03446+3209 C
 
 
Coord arcsec 2000 034435.46+320856.2 Mag 20.73 Spectral class M5.25 (red) PmRA 12.00
PmDE -80.0 Calc delta mag 7.19
 
 
03446+3209 D
 
 
Coord arcsec 2000 034435.52+320855.3 Mag 24 Calc delta mag 10.46 Calc coord yes
 
 
03446+3209 E
 
 
Coord arcsec 2000 034435.03+320855.9 Coord calc 034435.03+320855.9 Mag 13.67 PmRA 4.00
PmDE -6.0 Calc delta mag 0.13
 
 
03446+3209 F
 
 
Coord arcsec 2000 034434.92+320853.4 Mag 17.76 Calc delta mag 4.22 Calc coord yes