Symbiotics in Draco Dwarf

ALL CONFIRMED SUSPECTED

Basic Data

Star Name	Confirmed	Galaxy	α (°)	δ (°)	B (mag)	V (mag)	R (mag)	I (mag)
Draco C-1	✓	Draco Dwarf	259.990238	57.834856	18.43	17.00	16.11	15.67
XMMU J171919.8+575943	✓	Draco Dwarf	259.833310	57.995308	19.04	18.41	17.73	17.15
XMMU J172005.6+575759	✓	Draco Dwarf	260.023549	57.966232	20.20	19.53	19.11	18.59
XMMU J172013.3+575051	✓	Draco Dwarf	260.055778	57.847688	19.13	18.18		16.94

Identifiers

Star Name	Confirmed	Galaxy	SIMBAD	Gaia DR2	2MASS	WISE	IRAS	AAVSO
Draco C-1	✓	Draco Dwarf	[ALS82] C1	1433154243632773248	J17195764+5750054	J171957.65+575005.5		000-BJT-701
XMMU J171919.8+575943	✓	Draco Dwarf	SDSS J171919.99+575943.1	1433205607145719936	J17191999+5759430	J171919.92+575943.0
XMMU J172005.6+575759	✓	Draco Dwarf	SDSS J172005.64+575758.4	1433203270683657344
XMMU J172013.3+575051	✓	Draco Dwarf	[BS61] 522	1433154621589898880	J17201332+5750514	J172013.37+575051.6

Observations

Star Name	Confirmed	Galaxy	U (mag)	B (mag)	V (mag)	R (mag)	I (mag)	G (mag)	J (mag)	H (mag)	K (mag)	L (mag)	X-ray	Type	IUE	IRAS F12 (Jy)	IRAS F25 (Jy)	IRAS F60 (Jy)	IRAS F100 (Jy)	WISE W1 (mag)	WISE W2 (mag)	WISE W3 (mag)	WISE W4 (mag)	Radio	Radio flux (mJy)	Flickering	Outbursts	Type	IPmax (eV)	OVI lines
Draco C-1	✓	Draco Dwarf		18.43	17.00	16.11	15.67	16.63	14.38	13.71	13.46		Yes	α	Yes					13.25	13.26	12.69	9.68	3.6 cm	<0.1		No		77.5	No
XMMU J171919.8+575943	✓	Draco Dwarf		19.04	18.41	17.73	17.15	18.07	16.54	15.74	15.78		Yes	δ	No					15.24	15.07	12.24	9.14				No
XMMU J172005.6+575759	✓	Draco Dwarf		20.20	19.53	19.11	18.59	19.46					Yes	β	No												No
XMMU J172013.3+575051	✓	Draco Dwarf		19.13	18.18		16.94	17.79	16.31	15.68	15.42		Yes	β	No					15.33	15.47	12.50	9.09				No

Position

Star Name	Confirmed	Galaxy	α (°)	σ(α) (°)	αobs (°)	δ (°)	σ(δ) (°)	δobs (°)	l (°)	b (°)	PM α (mas/yr)	σ(PM α) (mas/yr)	PM δ (mas/yr)	σ(PM δ) (mas/yr)	d (kpc)	σ(d) (kpc)	E(B-V) (mag	σ(E(B-V)) (mag)
Draco C-1	✓	Draco Dwarf	259.990238	0.045145	17 19 57.657086	57.834856	0.046994	+57 50 05.482634	86.272566	34.759213					80.00	10.00	0.023	0.002
XMMU J171919.8+575943	✓	Draco Dwarf	259.833310	0.105300	17 19 19.994531	57.995308	0.119800	+57 59 43.110167	86.473968	34.832284					80.00	10.00	0.024	0.002
XMMU J172005.6+575759	✓	Draco Dwarf	260.023549	0.286100	17 20 05.651690	57.966232	0.300700	+57 57 58.433849	86.430826	34.733472					80.00	10.00	0.025	0.001
XMMU J172013.3+575051	✓	Draco Dwarf	260.055778	0.084400	17 20 13.386819	57.847688	0.080900	+57 50 51.676814	86.285585	34.723616					80.00	10.00	0.023	0.001

Orbit

Star Name	Confirmed	Galaxy	P (days)	σ(P) (days)	e	σ(e)	i (°)	σ(i) (°)	Eclipse	Eph type	Eph T0 (JD)	σ(Eph T0) (days)	RV (γ) (km/h)	σ(RV) (km/h)	Kg (km/h)	σ(Kg) (km/h)	T0 (JD)	ag sini (AU)	dc (AU)	f(M)	q
Draco C-1	✓	Draco Dwarf	300
XMMU J171919.8+575943	✓	Draco Dwarf											-307
XMMU J172005.6+575759	✓	Draco Dwarf											-294
XMMU J172013.3+575051	✓	Draco Dwarf											-283

Cool Component

Star Name	Confirmed	Galaxy	Spectral type	TeffG (K)	IR type	Fe/H	MG (M⊙)	RG (R⊙)	LG (L⊙)	Pulsation	Type	Ppul (days)	σ(Ppul) (days)	Ephpul type	Ephpul T0 (JD)	σ(Ephpul T0) (days)
Draco C-1	✓	Draco Dwarf	C1.2	3800-3866	S		1.5	110	2200
XMMU J171919.8+575943	✓	Draco Dwarf		4660	S	-2.12
XMMU J172005.6+575759	✓	Draco Dwarf		4973	S	-2.28
XMMU J172013.3+575051	✓	Draco Dwarf			S

Hot Component

Star Name	Confirmed	Galaxy	Type/Spectral type	TeffH (K)	Teffh_lower (K)	Teffh_upp (K)	MH (M⊙)	RH (R⊙)	LH (L⊙)	Pspin (min)	Accretion disk
Draco C-1	✓	Draco Dwarf	WD	180000			0.56	0.21-0.30	7500-31000
XMMU J171919.8+575943	✓	Draco Dwarf
XMMU J172005.6+575759	✓	Draco Dwarf
XMMU J172013.3+575051	✓	Draco Dwarf