18280+0400 BAL 2494

18^h 27^m 58.44^s +03° 59' 28.3" P.A. 72.00 sep 20.2 mag 10.67,11.35

Coord 2000	18280+0400	Discov num	BAL2494	Comp		Coord arcsec 2000	18 27 58.44 +03 59 28.3
Date first	1910	Date last	2015	Obs	14
Pa first	74	Pa last	71.7	P.A. Now (θ)	71.7°
Sep first	19.9	Sep last	20.158	Sep. Now (ρ)	20.158"
Mag pri	10.67	Mag sec	11.35	delta mag (ΔM)	0.68	Spectral class
Pri motion ra	+008	Sec motion ra	+007
Pri motion dec	+008	Sec motion dec	+010
Notes	T (Parallax indicates physical)

rPM=0.183 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ophiuchus

Tycho2

0441-00136-1

Gaia DR2

4284077526682388608

WDS 18280+0400 BAL 2494 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bal1924	Ma -	Baillaud, R.	1924JO......7..117B
Bal1924		J. Obs. 7, 117, 1924
Bal1925	Ma -	Baillaud, R.	1925JO......8...53B
Bal1925		J. Obs. 8, 53, 1925
Bal1925b	Ma j	Baillaud, R.	1925JO......8...56B
Bal1925b		J. Obs. 8, 56, 1925
Bal1926	Ma -	Baillaud, R.	1926JO......9..129P
Bal1926		J. Obs. 9, 129, 1926
Bal1937A	Ma -	Baillaud, R.	1937AnLei..18....1S
Bal1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944	C -	Baillaud, R.	1944AnBes...3...33B
Bal1944	+Pa	Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944	+Po

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18280+0400	BAL2494		2002	6	71	20.3	10.67	11.35		D	182758.44+035928.3
18280+0400	BAL2494		2014	8	72	20.1	10.67	11.35			182758.44+035928.3
18280+0400	BAL2494		2015	10	72	20.2	10.67	11.35			182758.44+035928.3

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

WDS 18280+0400 BAL 2494 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18280+0400 BAL 2494 : MEASURES

No records found.

WDS 18280+0400 : VIRTUAL EYEPIECE

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

WDS 18280+0400 : ALADIN DSS IMAGE @ 18^h 27^m 58.44^s +03° 59' 28.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18280+0400 BAL 2494 : 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		18280+0400	BAL2494		72	20.2
Show		18284+0407	J 521		304	5.3	10
Show		18272+0404	FAR 20		126	60.3	13
Show		18278+0344	ARY 58		109	88.4	15
Show		18291+0408	A 581	AB	140	0.4	19
Show		18291+0408	A 581	AB,C	227	10.2	19
Show		18267+0337	BAL2493		95	18.1	31
Show		18301+0404	CHR 72	Aa,Ab	285	0.1	32
Show		18301+0404	STF2322	AB	172	19.8	32
Show		18301+0404	STF2322	AC	295	67.2	32
Show		18301+0404	STF2322	AD	197	85.3	32
Show		18258+0359	J 462		347	4.1	33
Show		18258+0409	RAO 607		181	3.6	34
Show		18305+0416	A 583		265	0.2	43
Show		18262+0435	TDT 866		274	0.5	45
Show		18248+0350	BAL2491		79	6.9	49
Show		18307+0431	STTA170		5	100.0	52
Show		18286+0451	STTA168	AB	161	47.2	53
Show		18286+0451	STTA168	AC	217	244.2	53
Show		18286+0451	SLE 179	AD	210	251.7	53
Show		18286+0451	SLE 179	AE	226	304.1	53
Show		18286+0451	SLE 179	AF	233	288.5	53
Show		18243+0347	BAL2490		289	19.2	57
Show		18270+0258	LDS5864		43	67.4	63
Show		18264+0255	HEI 560		208	1.7	69
Show		18233+0403	CLZ 73		9	79.0	70
Show		18295+0253	BAL1967	AB	134	8.2	71
Show		18249+0454	J 2129	AB	117	12.7	72
Show		18249+0454	J 2129	AC	2	7.0	72
Show		18251+0258	BAL1965		73	5.1	75
Show		18234+0431	BAL2927		206	2.4	76
Show		18289+0514	CLV 1		355	40.8	76
Show		18289+0515	LDS5237		329	6.0	77
Show		18234+0432	SLE 164		34	9.6	77
Show		18334+0341	HJ 861		179	20.0	83
Show		18227+0420	TDT 825		343	0.6	83
Show		18337+0426	GWP2786		211	213.7	90
Show		18223+0328	J 1741		216	8.6	91
Show		18254+0523	SLE 173		133	19.0	93
Show		18342+0341	ABT9001		339	20.0	95
Show		18225+0446	SLE 161		266	12.9	95
Show		18344+0405	TDT 940		340	0.4	97
Show		18322+0514	GWP2781		267	114.8	98
Show		18253+0529	SLE 172		256	4.9	98
Show		18283+0537	TDT 897		169	0.5	98
Show		18253+0222	BAL1966		247	3.9	105
Show		18239+0527	SLE 167	AB	244	13.6	107
Show		18239+0527	SLE 167	AC	325	17.0	107
Show		18236+0525	TDT 829		158	0.6	108
Show		18259+0541	J 2130		328	6.8	110
Show		18212+0315	BAL2489		111	17.5	111

WDS 18280+0400 : COMPONENTS

	A
B	pa=71.7° sep=20.11"

18280+0400 A

Componente originario normalizzato	AB		Coord arcsec 2000	182758.44+035928.3		Mag	10.67		PmRA	8.00
PmDE	8.0		Tycho2	0441-00136-1

Tycho2

Tycho2	0441-00136-1	Pflag		RAmdeg	276.99347968	DEmdeg	3.99118256
PmRA	9.3	PmDE	8.7	E RAmdeg	33	E DEmdeg	47
E pmRA	1.6	E pmDE	1.5	EpRAm	1980.93	EpDEm	1976.26
Num	5	Q RAmdeg	1.4	Q DEmdeg	1.0	Q pmRA	1.3
Q pmDE	1.1	BTmag	11.698	E BTmag	0.102	VTmag	10.666
E VTmag	0.073	Prox	201	TYC	T	HIP
CCDM		RAdeg	276.99348278	DEdeg	3.99116333	EpRA 1990	1.77
EpDE 1990	1.69	E RAdeg	54.5	E DEdeg	57.1	Posflg
Corr	0.2

18280+0400 B

Componente originario normalizzato	AB		Coord arcsec 2000	182759.72+035934.6		Mag	11.35		PmRA	7.00
PmDE	10.0		Tycho2	0441-00182-1		Calc delta mag	0.68		Calc coord	yes

Tycho2

Tycho2	0441-00182-1	Pflag		RAmdeg	276.99879432	DEmdeg	3.99301571
PmRA	8.2	PmDE	16.2	E RAmdeg	74	E DEmdeg	76
E pmRA	2.0	E pmDE	2.0	EpRAm	1967.20	EpDEm	1964.49
Num	3	Q RAmdeg	0.1	Q DEmdeg	0.5	Q pmRA	0.1
Q pmDE	0.4	BTmag	12.380	E BTmag	0.245	VTmag	11.351
E VTmag	0.133	Prox	201	TYC		HIP
CCDM		RAdeg	276.99877528	DEdeg	3.99297861	EpRA 1990	1.78
EpDE 1990	1.72	E RAdeg	88.6	E DEdeg	92.6	Posflg
Corr	0.1