Exposure
ID
GRAVI.2025-11-21T06:31:17.365_1
Header ID
GRAVI.2025-11-21T06:31:17.365
Date updated
2025-11-21 06:46:04 UTC+0000
Release date
2025-11-21 06:31:17 UTC+0000
UTC Start
2025-11-21 06:31:17.365
UTC End
2025-11-21 06:34:29.365
MJD Start
61000.27172876
MJD End
61000.27395098223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.002242
Ambient temperature (°C)
12.54
Seeing (arcsec)
1.42
Observation
ID
71813
Category
calibrator
Program ID
116.28P0.001
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 / ERCOLINO / JANIK
Target
ID
48285
Name
d_Vel
RA
131.096577
DEC
-42.64917
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 19.8550 20.0130 121.5000 121.9000
A0-D0 29.9940 30.0780 39.4000 40.2000
A0-C1 17.6380 17.8050 87.3820 88.0330
B2-D0 33.6320 33.6290 3.6000 4.1000
B2-C1 11.2020 11.2010 3.5350 4.0730
D0-C1 22.4300 22.4270 183.5850 184.1230
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61000.27172876
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME d Vel
HIERARCH ESO INS SOBJ NAME d_Vel
RA 131.096577
DEC -42.64917
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 19.855
HIERARCH ESO ISS PBL12 END 20.013
HIERARCH ESO ISS PBLA12 START 121.5
HIERARCH ESO ISS PBLA12 END 121.9
HIERARCH ESO ISS PBL13 START 29.994
HIERARCH ESO ISS PBL13 END 30.078
HIERARCH ESO ISS PBLA13 START 39.4
HIERARCH ESO ISS PBLA13 END 40.2
HIERARCH ESO ISS PBL14 START 17.638
HIERARCH ESO ISS PBL14 END 17.805
HIERARCH ESO ISS PBLA14 START 87.382
HIERARCH ESO ISS PBLA14 END 88.033
HIERARCH ESO ISS PBL23 START 33.632
HIERARCH ESO ISS PBL23 END 33.629
HIERARCH ESO ISS PBLA23 START 3.6
HIERARCH ESO ISS PBLA23 END 4.1
HIERARCH ESO ISS PBL24 START 11.202
HIERARCH ESO ISS PBL24 END 11.201
HIERARCH ESO ISS PBLA24 START 3.535
HIERARCH ESO ISS PBLA24 END 4.073
HIERARCH ESO ISS PBL34 START 22.43
HIERARCH ESO ISS PBL34 END 22.427
HIERARCH ESO ISS PBLA34 START 183.585
HIERARCH ESO ISS PBLA34 END 184.123
HIERARCH ESO ISS AMBI TAU0 START 0.002242
HIERARCH ESO ISS AMBI TAU0 END 0.002242
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 1.4
HIERARCH ESO ISS AMBI FWHM END 1.44