Exposure
ID
GRAVI.2025-11-22T05:39:31.233_1
Header ID
GRAVI.2025-11-22T05:39:31.233
Date updated
2025-11-22 05:51:11 UTC+0000
Release date
2025-11-22 05:39:31 UTC+0000
UTC Start
2025-11-22 05:39:31.233
UTC End
2025-11-22 05:42:43.233
MJD Start
61001.23577816
MJD End
61001.238000382225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0136235
Ambient temperature (°C)
14.16
Seeing (arcsec)
0.28500000000000003
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 17.5840 17.7750 117.3000 117.6000
A0-D0 28.9330 29.0100 28.1000 29.0000
A0-C1 15.2830 15.4770 78.1900 78.9650
B2-D0 33.6330 33.6360 356.6000 357.1000
B2-C1 11.2030 11.2040 356.5700 357.1080
D0-C1 22.4310 22.4320 176.6130 177.1510
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 61001.23577816
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 17.584
HIERARCH ESO ISS PBL12 END 17.775
HIERARCH ESO ISS PBLA12 START 117.3
HIERARCH ESO ISS PBLA12 END 117.6
HIERARCH ESO ISS PBL13 START 28.933
HIERARCH ESO ISS PBL13 END 29.01
HIERARCH ESO ISS PBLA13 START 28.1
HIERARCH ESO ISS PBLA13 END 29.0
HIERARCH ESO ISS PBL14 START 15.283
HIERARCH ESO ISS PBL14 END 15.477
HIERARCH ESO ISS PBLA14 START 78.19
HIERARCH ESO ISS PBLA14 END 78.965
HIERARCH ESO ISS PBL23 START 33.633
HIERARCH ESO ISS PBL23 END 33.636
HIERARCH ESO ISS PBLA23 START 356.6
HIERARCH ESO ISS PBLA23 END 357.1
HIERARCH ESO ISS PBL24 START 11.203
HIERARCH ESO ISS PBL24 END 11.204
HIERARCH ESO ISS PBLA24 START 356.57
HIERARCH ESO ISS PBLA24 END 357.108
HIERARCH ESO ISS PBL34 START 22.431
HIERARCH ESO ISS PBL34 END 22.432
HIERARCH ESO ISS PBLA34 START 176.613
HIERARCH ESO ISS PBLA34 END 177.151
HIERARCH ESO ISS AMBI TAU0 START 0.016378
HIERARCH ESO ISS AMBI TAU0 END 0.010869
HIERARCH ESO ISS AMBI TEMP 14.16
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.29