Exposure
ID
GRAVI.2025-11-19T07:59:03.542_1
Header ID
GRAVI.2025-11-19T07:59:03.542
Date updated
2025-11-19 08:11:28 UTC+0000
Release date
2025-11-19 07:59:03 UTC+0000
UTC Start
2025-11-19 07:59:03.542
UTC End
2025-11-19 08:02:15.542
MJD Start
60998.33267989
MJD End
60998.33490211223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006065
Ambient temperature (°C)
13.25
Seeing (arcsec)
0.8200000000000001
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 22.6730 22.7750 129.7000 130.1000
A0-D0 31.5590 31.6100 55.7000 56.4000
A0-C1 20.6460 20.7520 100.4260 100.9990
B2-D0 33.4160 33.3980 15.0000 15.5000
B2-C1 11.1310 11.1240 14.9250 15.4370
D0-C1 22.2860 22.2730 194.9840 195.4960
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 60998.33267989
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 22.673
HIERARCH ESO ISS PBL12 END 22.775
HIERARCH ESO ISS PBLA12 START 129.7
HIERARCH ESO ISS PBLA12 END 130.1
HIERARCH ESO ISS PBL13 START 31.559
HIERARCH ESO ISS PBL13 END 31.61
HIERARCH ESO ISS PBLA13 START 55.7
HIERARCH ESO ISS PBLA13 END 56.4
HIERARCH ESO ISS PBL14 START 20.646
HIERARCH ESO ISS PBL14 END 20.752
HIERARCH ESO ISS PBLA14 START 100.426
HIERARCH ESO ISS PBLA14 END 100.999
HIERARCH ESO ISS PBL23 START 33.416
HIERARCH ESO ISS PBL23 END 33.398
HIERARCH ESO ISS PBLA23 START 15.0
HIERARCH ESO ISS PBLA23 END 15.5
HIERARCH ESO ISS PBL24 START 11.131
HIERARCH ESO ISS PBL24 END 11.124
HIERARCH ESO ISS PBLA24 START 14.925
HIERARCH ESO ISS PBLA24 END 15.437
HIERARCH ESO ISS PBL34 START 22.286
HIERARCH ESO ISS PBL34 END 22.273
HIERARCH ESO ISS PBLA34 START 194.984
HIERARCH ESO ISS PBLA34 END 195.496
HIERARCH ESO ISS AMBI TAU0 START 0.006615
HIERARCH ESO ISS AMBI TAU0 END 0.005515
HIERARCH ESO ISS AMBI TEMP 13.25
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.85