Exposure
ID
GRAVI.2025-03-07T00:44:46.781_1
Header ID
GRAVI.2025-03-07T00:44:46.781
Date updated
2025-03-07 00:55:44 UTC+0000
Release date
2026-03-07 00:55:43 UTC+0000
UTC Start
2025-03-07 00:44:46.781
UTC End
2025-03-07 00:47:58.781
MJD Start
60741.031097
MJD End
60741.033319222224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0051795
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.7649999999999999
Observation
ID
63541
Category
science
Program ID
114.27NF.001
Program Title
UNVELING 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
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 25.2730 25.2820 142.5000 143.0000
A0-D0 31.9970 31.9850 71.1000 71.5000
A0-C1 22.6170 22.6220 116.0200 116.4500
B2-D0 33.8860 33.8740 26.1000 26.5000
B2-C1 11.2880 11.2840 26.0460 26.4420
D0-C1 22.5980 22.5900 206.1100 206.5050
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60741.031097
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 25.273
HIERARCH ESO ISS PBL12 END 25.282
HIERARCH ESO ISS PBLA12 START 142.5
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 31.997
HIERARCH ESO ISS PBL13 END 31.985
HIERARCH ESO ISS PBLA13 START 71.1
HIERARCH ESO ISS PBLA13 END 71.5
HIERARCH ESO ISS PBL14 START 22.617
HIERARCH ESO ISS PBL14 END 22.622
HIERARCH ESO ISS PBLA14 START 116.02
HIERARCH ESO ISS PBLA14 END 116.45
HIERARCH ESO ISS PBL23 START 33.886
HIERARCH ESO ISS PBL23 END 33.874
HIERARCH ESO ISS PBLA23 START 26.1
HIERARCH ESO ISS PBLA23 END 26.5
HIERARCH ESO ISS PBL24 START 11.288
HIERARCH ESO ISS PBL24 END 11.284
HIERARCH ESO ISS PBLA24 START 26.046
HIERARCH ESO ISS PBLA24 END 26.442
HIERARCH ESO ISS PBL34 START 22.598
HIERARCH ESO ISS PBL34 END 22.59
HIERARCH ESO ISS PBLA34 START 206.11
HIERARCH ESO ISS PBLA34 END 206.505
HIERARCH ESO ISS AMBI TAU0 START 0.004835
HIERARCH ESO ISS AMBI TAU0 END 0.005524
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.71