12383-2657 RST 1681

12^h 38^m 15.87^s -26° 56' 43.1" P.A. 56.00 sep 1.6 mag 10.97,12.20

Coord 2000	12383-2657	Discov num	RST1681	Comp		Coord arcsec 2000	12 38 15.87 -26 56 43.1
Date first	1930	Date last	2016	Obs	5
Pa first	64	Pa last	55.6	P.A. Now (θ)	55.6°
Sep first	1.2	Sep last	1.57	Sep. Now (ρ)	1.57"
Mag pri	10.97	Mag sec	12.20	delta mag (ΔM)	1.23	Spectral class
Pri motion ra	-059	Sec motion ra
Pri motion dec	-034	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hydra

Tycho2

6691-00440-1

Gaia DR2

3496364689049415168

WDS 12383-2657 RST 1681 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Rst1933	T -	Rossiter, R.A.	1933MmRAS..65...27R
Rst1933		MemRAS 65, 27, 1933
Rst1937	Ma -	Rossiter, R.A.	1937MmRAS..65...51R
Rst1937		MemRAS 65, 51, 1937
Rst1943	Ma -	Rossiter, R.A.	1943POMic...8..133R
Rst1943		Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944	-	Rossiter, R.A.	1944POMic...9....1R
Rst1944		Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947	Ma -	Rossiter, R.A.	1947POMic...9....7R
Rst1947		Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955	Ma j	Rossiter, R.A.	1955POMic..11....1R
Rst1955	+P+	Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964	Ma -	Rossiter, R.A.	1964POMic...9...73R
Rst1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12383-2657	RST1681		1944	3	59	1.2	10.97	12.20			123815.87-265643.1
12383-2657	RST1681		2015	4	56	1.6	10.97	12.20			123815.87-265643.1
12383-2657	RST1681		2016	5	56	1.6	10.97	12.20			123815.87-265643.1

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

WDS 12383-2657 RST 1681 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12383-2657 RST 1681 : MEASURES

No records found.

WDS 12383-2657 : VIRTUAL EYEPIECE

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WDS 12383-2657 : ALADIN DSS IMAGE @ 12^h 38^m 15.87^s -26° 56' 43.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12383-2657 RST 1681 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		12383-2657	RST1681		56	1.6
Show		12386-2704	BWL 32		55	0.1	9
Show		12377-2708	B 230	AB	200	2.6	14
Show		12377-2708	SKF1923	AB,C	271	121.7	14
Show		12407-2650	B 2297		94	9.8	34
Show		12376-2730	NSN 101		55	2.9	35
Show		12406-2641	TVB 255		259	12.9	36
Show		12363-2726	SKF1922		62	27.7	40
Show		12350-2643	SKF1921	AB	113	77.4	46
Show		12350-2643	LSC 50	Aa,Ab	77	0.4	46
Show		12417-2708	RST1684		209	0.4	47
Show		12417-2657	LDS4250		325	21.9	48
Show		12344-2700	SKF1920		251	10.7	52
Show		12409-2743	B 231		82	4.4	58
Show		12340-2725	UC 2359		315	23.0	63
Show		12335-2638	DON 536		325	0.5	67
Show		12342-2738	KPP2724		42	5.6	68
Show		12432-2722	B 2300		315	10.6	71
Show		12413-2552	UC 2385		19	49.4	78
Show		12401-2544	BRT2995		7	4.8	78
Show		12444-2701	KPP2727		180	8.6	82
Show		12440-2727	TDS 673	AB	263	1.7	82
Show		12440-2727	UC 2393	AC	330	40.6	82
Show		12347-2812	RST1678		195	3.0	89
Show		12393-2528	UC 2379		112	10.7	91
Show		12444-2604	HU 1497		326	1.6	98
Show		12457-2633	UC 2400	AB	14	7.9	103
Show		12312-2751	B 2295		2	8.1	109
Show		12453-2601	UC 2397		104	47.0	111
Show		12415-2840	UC 2387		343	8.9	112
Show		12427-2518	KPP 921		1	7.6	116
Show		12297-2647	RST1671		194	0.9	117
Show		12429-2514	UC 2389		50	17.6	121
Show		12333-2516	YSC 212		29	0.1	121
Show		12434-2514	I 908	AB	154	3.5	124
Show		12434-2514	I 908	AC	21	39.8	124
Show		12295-2618	UC 2348		72	13.7	125
Show		12449-2824	SKF1946		256	14.7	125
Show		12434-2514	B 2739	CD	295	7.7	125
Show		12288-2706	B 229		278	1.0	127
Show		12476-2747	LDS4269		101	28.4	135
Show		12342-2447	TDS8438		11	0.6	141
Show		12483-2748	UC 2407		131	11.3	144
Show		12494-2639	LDS4277		80	84.3	151
Show		12426-2437	HJ 4542		62	38.4	152
Show		12271-2726	J 1603		59	8.8	152
Show		12438-2442	TDS8506		72	2.9	155
Show		12268-2630	UC 2340		297	10.4	156
Show		12311-2906	LDS5754		119	114.2	163
Show		12504-2639	TDS8547		300	0.5	165
Show		12487-2534	DON 558		279	4.9	165

WDS 12383-2657 : COMPONENTS

	A
B	pa=52.5° sep=1.46"

12383-2657 A

Componente originario normalizzato	AB		Coord arcsec 2000	123815.87-265643.1		Mag	10.97		PmRA	-59.00
PmDE	-34.0		Tycho2	6691-00440-1

Tycho2

Tycho2	6691-00440-1	Pflag		RAmdeg	189.56616223	DEmdeg	-26.94531956
PmRA	-59.4	PmDE	-34.1	E RAmdeg	41	E DEmdeg	50
E pmRA	2.8	E pmDE	2.5	EpRAm	1988.93	EpDEm	1986.28
Num	3	Q RAmdeg	0.1	Q DEmdeg	1.6	Q pmRA	0.1
Q pmDE	1.6	BTmag	11.538	E BTmag	0.076	VTmag	10.965
E VTmag	0.073	Prox	999	TYC	T	HIP
CCDM		RAdeg	189.56631417	DEdeg	-26.94524250	EpRA 1990	1.78
EpDE 1990	1.86	E RAdeg	42.1	E DEdeg	51.8	Posflg
Corr	0.1

CCDM

Ccdm	12383-2657	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.02	DDEs	18.3
R dRAs	66	Year		Theta		Rho
Obs	2	Vmag	10.8	Sp		PmNote
PmRA		PmDE		Dm number	-26 9240	Cat1	CD
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	12330S2624A
HIC

12383-2657 B

Componente originario normalizzato	AB		Coord arcsec 2000	123815.96-265642.2		Mag	12.2		Calc delta mag	1.23
Calc coord	yes

CCDM

Ccdm	12383-2657	RComp		Comp	B	Note1
Note2		Discov num	RST1681	DRAs		DDEs
R dRAs		Year	1933	Theta	061	Rho	1.2
Obs	2	Vmag	12.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	12330S2624B
HIC