Exposure
ID
GRAVI.2025-08-24T09:13:11.732_1
Header ID
GRAVI.2025-08-24T09:13:11.732
Date updated
2025-08-24 09:25:59 UTC+0000
Release date
2026-08-24 09:25:59 UTC+0000
UTC Start
2025-08-24 09:13:11.732
UTC End
2025-08-24 09:17:11.732
MJD Start
60911.38416357
MJD End
60911.38694134778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005044
Ambient temperature (°C)
3.87
Seeing (arcsec)
0.81
Observation
ID
70107
Category
science
Program ID
115.27Z4.001
Program Title
ARE SYMBIOTIC BINARIES WITH ELLIPSOIDAL VARIABILITY REALLY ROCHE LOBE FILLING OR IT IS JUST WIND?
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
52014
Name
V1261_Ori
RA
80.576832
DEC
-8.66614
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.1360 48.2140 142.6000 142.7000
A0-J2 100.6960 102.1930 86.3000 86.5000
A0-J6 152.4000 152.5560 6.0550 6.7390
B5-J2 84.1420 85.3080 57.9000 58.5000
B5-J6 190.2590 190.1780 356.0400 356.5850
J2-J6 167.8490 167.9020 329.8130 329.9450
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27Z4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60911.38416357
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V1261 Ori
HIERARCH ESO INS SOBJ NAME V1261_Ori
RA 80.576832
DEC -8.66614
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 260.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 24
HIERARCH ESO ISS PBL12 START 48.136
HIERARCH ESO ISS PBL12 END 48.214
HIERARCH ESO ISS PBLA12 START 142.6
HIERARCH ESO ISS PBLA12 END 142.7
HIERARCH ESO ISS PBL13 START 100.696
HIERARCH ESO ISS PBL13 END 102.193
HIERARCH ESO ISS PBLA13 START 86.3
HIERARCH ESO ISS PBLA13 END 86.5
HIERARCH ESO ISS PBL14 START 152.4
HIERARCH ESO ISS PBL14 END 152.556
HIERARCH ESO ISS PBLA14 START 6.055
HIERARCH ESO ISS PBLA14 END 6.739
HIERARCH ESO ISS PBL23 START 84.142
HIERARCH ESO ISS PBL23 END 85.308
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 190.259
HIERARCH ESO ISS PBL24 END 190.178
HIERARCH ESO ISS PBLA24 START 356.04
HIERARCH ESO ISS PBLA24 END 356.585
HIERARCH ESO ISS PBL34 START 167.849
HIERARCH ESO ISS PBL34 END 167.902
HIERARCH ESO ISS PBLA34 START 329.813
HIERARCH ESO ISS PBLA34 END 329.945
HIERARCH ESO ISS AMBI TAU0 START 0.005588
HIERARCH ESO ISS AMBI TAU0 END 0.0045
HIERARCH ESO ISS AMBI TEMP 3.87
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.85