Exposure
ID
GRAVI.2025-11-19T04:59:09.087_1
Header ID
GRAVI.2025-11-19T04:59:09.087
Date updated
2025-11-19 05:41:44 UTC+0000
Release date
2026-11-19 05:41:44 UTC+0000
UTC Start
2025-11-19 04:59:09.087
UTC End
2025-11-19 05:02:21.087
MJD Start
60998.20774406
MJD End
60998.20996628222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0068515
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.745
Observation
ID
71798
Category
science
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
47344
Name
sig_CMa
RA
105.42723
DEC
-27.9348
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 22.0700 22.2050 129.7000 129.9000
A0-D0 27.4010 27.5670 44.7000 45.4000
A0-C1 17.9660 18.1580 99.3430 99.6750
B2-D0 33.6770 33.6810 3.9000 4.4000
B2-C1 11.2190 11.2200 3.8600 4.3950
D0-C1 22.4580 22.4610 183.9100 184.4460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60998.20774406
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME sig CMa
HIERARCH ESO INS SOBJ NAME sig_CMa
RA 105.42723
DEC -27.9348
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 22.07
HIERARCH ESO ISS PBL12 END 22.205
HIERARCH ESO ISS PBLA12 START 129.7
HIERARCH ESO ISS PBLA12 END 129.9
HIERARCH ESO ISS PBL13 START 27.401
HIERARCH ESO ISS PBL13 END 27.567
HIERARCH ESO ISS PBLA13 START 44.7
HIERARCH ESO ISS PBLA13 END 45.4
HIERARCH ESO ISS PBL14 START 17.966
HIERARCH ESO ISS PBL14 END 18.158
HIERARCH ESO ISS PBLA14 START 99.343
HIERARCH ESO ISS PBLA14 END 99.675
HIERARCH ESO ISS PBL23 START 33.677
HIERARCH ESO ISS PBL23 END 33.681
HIERARCH ESO ISS PBLA23 START 3.9
HIERARCH ESO ISS PBLA23 END 4.4
HIERARCH ESO ISS PBL24 START 11.219
HIERARCH ESO ISS PBL24 END 11.22
HIERARCH ESO ISS PBLA24 START 3.86
HIERARCH ESO ISS PBLA24 END 4.395
HIERARCH ESO ISS PBL34 START 22.458
HIERARCH ESO ISS PBL34 END 22.461
HIERARCH ESO ISS PBLA34 START 183.91
HIERARCH ESO ISS PBLA34 END 184.446
HIERARCH ESO ISS AMBI TAU0 START 0.007253
HIERARCH ESO ISS AMBI TAU0 END 0.00645
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.69