Exposure
ID
GRAVI.2025-04-05T07:11:37.494_1
Header ID
GRAVI.2025-04-05T07:11:37.494
Date updated
2025-04-05 07:25:49 UTC+0000
Release date
2026-04-05 07:25:49 UTC+0000
UTC Start
2025-04-05 07:11:37.494
UTC End
2025-04-05 07:14:49.494
MJD Start
60770.29973951
MJD End
60770.30196173223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0081385
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.46499999999999997
Observation
ID
66045
Category
science
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
49164
Name
VX_Sgr
RA
272.014458
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.0600 23.1740 132.2000 132.2000
A0-D0 26.5680 26.7680 48.8000 49.5000
A0-C1 18.6010 18.7850 103.9610 104.1690
B2-D0 33.1090 33.1190 5.0000 5.5000
B2-C1 11.0300 11.0330 4.9640 5.5030
D0-C1 22.0790 22.0860 185.0170 185.5570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60770.29973951
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V VX Sgr
HIERARCH ESO INS SOBJ NAME VX_Sgr
RA 272.014458
DEC -22.22406
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 23.06
HIERARCH ESO ISS PBL12 END 23.174
HIERARCH ESO ISS PBLA12 START 132.2
HIERARCH ESO ISS PBLA12 END 132.2
HIERARCH ESO ISS PBL13 START 26.568
HIERARCH ESO ISS PBL13 END 26.768
HIERARCH ESO ISS PBLA13 START 48.8
HIERARCH ESO ISS PBLA13 END 49.5
HIERARCH ESO ISS PBL14 START 18.601
HIERARCH ESO ISS PBL14 END 18.785
HIERARCH ESO ISS PBLA14 START 103.961
HIERARCH ESO ISS PBLA14 END 104.169
HIERARCH ESO ISS PBL23 START 33.109
HIERARCH ESO ISS PBL23 END 33.119
HIERARCH ESO ISS PBLA23 START 5.0
HIERARCH ESO ISS PBLA23 END 5.5
HIERARCH ESO ISS PBL24 START 11.03
HIERARCH ESO ISS PBL24 END 11.033
HIERARCH ESO ISS PBLA24 START 4.964
HIERARCH ESO ISS PBLA24 END 5.503
HIERARCH ESO ISS PBL34 START 22.079
HIERARCH ESO ISS PBL34 END 22.086
HIERARCH ESO ISS PBLA34 START 185.017
HIERARCH ESO ISS PBLA34 END 185.557
HIERARCH ESO ISS AMBI TAU0 START 0.007773
HIERARCH ESO ISS AMBI TAU0 END 0.008504
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.46