Exposure
ID
GRAVI.2025-04-05T07:03:22.473_1
Header ID
GRAVI.2025-04-05T07:03:22.473
Date updated
2025-04-05 07:15:47 UTC+0000
Release date
2026-04-05 07:15:47 UTC+0000
UTC Start
2025-04-05 07:03:22.473
UTC End
2025-04-05 07:06:34.473
MJD Start
60770.2940101
MJD End
60770.296232322224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007613
Ambient temperature (°C)
14.24
Seeing (arcsec)
0.52
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 22.7950 22.9160 132.0000 132.0000
A0-D0 26.1180 26.3210 47.1000 47.9000
A0-C1 18.1740 18.3680 103.5060 103.7090
B2-D0 33.0900 33.0980 3.8000 4.3000
B2-C1 11.0240 11.0260 3.7540 4.2990
D0-C1 22.0660 22.0710 183.8060 184.3510
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 60770.2940101
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 22.795
HIERARCH ESO ISS PBL12 END 22.916
HIERARCH ESO ISS PBLA12 START 132.0
HIERARCH ESO ISS PBLA12 END 132.0
HIERARCH ESO ISS PBL13 START 26.118
HIERARCH ESO ISS PBL13 END 26.321
HIERARCH ESO ISS PBLA13 START 47.1
HIERARCH ESO ISS PBLA13 END 47.9
HIERARCH ESO ISS PBL14 START 18.174
HIERARCH ESO ISS PBL14 END 18.368
HIERARCH ESO ISS PBLA14 START 103.506
HIERARCH ESO ISS PBLA14 END 103.709
HIERARCH ESO ISS PBL23 START 33.09
HIERARCH ESO ISS PBL23 END 33.098
HIERARCH ESO ISS PBLA23 START 3.8
HIERARCH ESO ISS PBLA23 END 4.3
HIERARCH ESO ISS PBL24 START 11.024
HIERARCH ESO ISS PBL24 END 11.026
HIERARCH ESO ISS PBLA24 START 3.754
HIERARCH ESO ISS PBLA24 END 4.299
HIERARCH ESO ISS PBL34 START 22.066
HIERARCH ESO ISS PBL34 END 22.071
HIERARCH ESO ISS PBLA34 START 183.806
HIERARCH ESO ISS PBLA34 END 184.351
HIERARCH ESO ISS AMBI TAU0 START 0.006996
HIERARCH ESO ISS AMBI TAU0 END 0.00823
HIERARCH ESO ISS AMBI TEMP 14.24
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.48