Exposure
ID
GRAVI.2025-11-22T05:23:07.191_1
Header ID
GRAVI.2025-11-22T05:23:07.191
Date updated
2025-11-22 05:35:55 UTC+0000
Release date
2025-11-22 05:23:07 UTC+0000
UTC Start
2025-11-22 05:23:07.191
UTC End
2025-11-22 05:26:19.191
MJD Start
61001.22438879
MJD End
61001.22661101222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.012528
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.375
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 16.7090 16.9100 115.9000 116.2000
A0-D0 28.6090 28.6790 24.0000 24.9000
A0-C1 14.4110 14.6100 74.5840 75.4240
B2-D0 33.6140 33.6190 354.2000 354.8000
B2-C1 11.1960 11.1980 354.1920 354.7270
D0-C1 22.4180 22.4210 174.2320 174.7680
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 61001.22438879
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 16.709
HIERARCH ESO ISS PBL12 END 16.91
HIERARCH ESO ISS PBLA12 START 115.9
HIERARCH ESO ISS PBLA12 END 116.2
HIERARCH ESO ISS PBL13 START 28.609
HIERARCH ESO ISS PBL13 END 28.679
HIERARCH ESO ISS PBLA13 START 24.0
HIERARCH ESO ISS PBLA13 END 24.9
HIERARCH ESO ISS PBL14 START 14.411
HIERARCH ESO ISS PBL14 END 14.61
HIERARCH ESO ISS PBLA14 START 74.584
HIERARCH ESO ISS PBLA14 END 75.424
HIERARCH ESO ISS PBL23 START 33.614
HIERARCH ESO ISS PBL23 END 33.619
HIERARCH ESO ISS PBLA23 START 354.2
HIERARCH ESO ISS PBLA23 END 354.8
HIERARCH ESO ISS PBL24 START 11.196
HIERARCH ESO ISS PBL24 END 11.198
HIERARCH ESO ISS PBLA24 START 354.192
HIERARCH ESO ISS PBLA24 END 354.727
HIERARCH ESO ISS PBL34 START 22.418
HIERARCH ESO ISS PBL34 END 22.421
HIERARCH ESO ISS PBLA34 START 174.232
HIERARCH ESO ISS PBLA34 END 174.768
HIERARCH ESO ISS AMBI TAU0 START 0.015822
HIERARCH ESO ISS AMBI TAU0 END 0.009234
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.4