18130+0243 BAL 1959 AB

18^h 13^m 00.89^s +02° 42' 20.6" P.A. 31.00 sep 23.1 mag 11.40,11.50

Coord 2000	18130+0243	Discov num	BAL1959	Comp	AB	Coord arcsec 2000	18 13 00.89 +02 42 20.6
Date first	1910	Date last	2016	Obs	11
Pa first	30	Pa last	30.8	P.A. Now (θ)	30.8°
Sep first	23.9	Sep last	23.067	Sep. Now (ρ)	23.067"
Mag pri	11.40	Mag sec	11.50	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	+001	Sec motion ra	+000
Pri motion dec	-008	Sec motion dec	-017
Notes

rPM=0.533

Nature of this double is uncertain.

18130+0243 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 13 01 +02 42 21	BAL 1959 AB	2016	11	31	23.1	11.40	11.50	0.10		<===
Show			18 13 01 +02 42 21	BAL 1959 AC	2016	11	66	15.4	11.40	11.50	0.10
Show			18 13 02 +02 42 40	BAL 1959 BC	2016	11	171	13.8	11.50	11.50	0.00

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ophiuchus

Gaia DR2

4277704448050490752

WDS 18130+0243 BAL 1959 AB : 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
18130+0243	BAL1959	AB	2002	4	33	22.4	11.40	11.50		D	181300.89+024220.6
18130+0243	BAL1959	AB	2016	6	32	23.1	11.40	11.50			181300.89+024220.6

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WDS 18130+0243 BAL 1959 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18130+0243 BAL 1959 AB : MEASURES

No records found.

WDS 18130+0243 : VIRTUAL EYEPIECE

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

WDS 18130+0243 : ALADIN DSS IMAGE @ 18^h 13^m 00.89^s +02° 42' 20.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18130+0243 BAL 1959 AB : 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		18130+0243	BAL1959	AB	31	23.1
Show		18130+0243	BAL1959	AC	66	15.4
Show		18130+0243	BAL1959	BC	171	13.8	1
Show		18128+0243	BAL1958		140	3.9	4
Show		18129+0228	HEI 559		173	0.8	14
Show		18121+0258	GRV 231		181	50.7	22
Show		18144+0251	BAL1960		176	13.8	23
Show		18152+0229	BAL1961		358	17.4	35
Show		18150+0304	SLE 145		27	11.5	37
Show		18121+0207	BAL1957		231	8.7	37
Show		18103+0235	BU 638	BC	4	1.8	41
Show		18103+0235	STF2287	AB	153	22.9	41
Show		18103+0235	BU 638	AD	222	59.7	41
Show		18103+0235	BU 638	AE	344	13.7	41
Show		18104+0232	STF2288		58	15.9	41
Show		18153+0305	SLE 146	AB	151	18.4	42
Show		18153+0305	SLE 146	AC	157	49.8	42
Show		18117+0200	BAL1499		151	6.3	47
Show		18097+0247	BAL1955		174	28.4	50
Show		18123+0154	A 2260	AB	107	1.9	50
Show		18123+0154	RAO 66	AC	72	17.2	50
Show		18139+0332	TDT 750		97	0.7	52
Show		18103+0209	DAL 18	AB	274	12.5	53
Show		18103+0209	DAL 18	AC	314	45.0	53
Show		18099+0307	BU 637	AB	191	7.2	53
Show		18099+0307	BU 637	AC	245	98.2	53
Show		18099+0307	YSC 132	Aa,Ab	357	0.0	53
Show		18106+0327	BAL2481		108	10.7	58
Show		18162+0319	J 1269	AB	104	3.4	60
Show		18162+0319	J 1269	AC	355	9.5	60
Show		18166+0316	J 3325		219	2.5	64
Show		18147+0342	BAL2483		195	12.8	65
Show		18144+0347	SLE 144		221	32.7	68
Show		18090+0315	BAL2477		162	18.8	69
Show		18128+0356	J 3270		232	4.8	73
Show		18177+0258	A 2261	AB	242	2.7	73
Show		18083+0230	NYS 7	BC	84	16.0	74
Show		18083+0230	BAL1953	AB	122	17.1	74
Show		18106+0349	FOX 220		74	6.0	76
Show		18080+0222	WLY 9		94	16.4	77
Show		18083+0209	BAL1954		226	13.6	78
Show		18081+0213	BU 636	AB	120	1.4	79
Show		18081+0213	BU 636	AC	93	11.7	79
Show		18081+0213	BU 636	AD	348	40.8	79
Show		18081+0213	GII 259	Aa,Ab	168	0.1	79
Show		18105+0354	DOO 70		135	7.7	81
Show		18084+0325	BAL2475		88	5.5	82
Show		18076+0224	BAL1952		153	13.5	84
Show		18161+0352	BAL2485		14	5.8	84
Show		18074+0227	BAL1951		251	3.2	85
Show		18176+0333	BAL2487	AB	335	11.2	85

WDS 18130+0243 : COMPONENTS

	A	B
B	pa=31.3° sep=23.06"
C	pa=65.8° sep=15.42"	pa=171.2° sep=13.53"

18130+0243 A

Coord arcsec 2000

181300.89+024220.6

Mag

11.4

PmRA

1.00

PmDE

-8.0

18130+0243 B

Coord arcsec 2000	181301.69+024240.3		Coord calc	181301.69+024240.3		Mag	11.5		PmRA	0.00
PmDE	-17.0		Calc delta mag	0.1

18130+0243 C

Coord arcsec 2000	181301.83+024226.9		Mag	11.5		PmRA	-4.00		PmDE	-11.0
Calc delta mag	0.1		Calc coord	yes