Exposure
ID
GRAVI.2025-01-28T04:10:50.001_1
Header ID
GRAVI.2025-01-28T04:10:50.001
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-01-28 04:25:39 UTC+0000
UTC Start
2025-01-28 04:10:50.001
UTC End
2025-01-28 04:14:02.001
MJD Start
60703.17418983
MJD End
60703.17641205223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007449
Ambient temperature (°C)
17.25
Seeing (arcsec)
0.815
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 25.2230 25.2080 149.4000 149.9000
A0-D0 31.1530 31.0480 77.4000 77.8000
A0-C1 22.3110 22.2650 123.1640 123.6780
B2-D0 33.5060 33.4640 31.6000 31.9000
B2-C1 11.1610 11.1470 31.5770 31.8980
D0-C1 22.3450 22.3170 211.6400 211.9610
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 60703.17418983
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 25.223
HIERARCH ESO ISS PBL12 END 25.208
HIERARCH ESO ISS PBLA12 START 149.4
HIERARCH ESO ISS PBLA12 END 149.9
HIERARCH ESO ISS PBL13 START 31.153
HIERARCH ESO ISS PBL13 END 31.048
HIERARCH ESO ISS PBLA13 START 77.4
HIERARCH ESO ISS PBLA13 END 77.8
HIERARCH ESO ISS PBL14 START 22.311
HIERARCH ESO ISS PBL14 END 22.265
HIERARCH ESO ISS PBLA14 START 123.164
HIERARCH ESO ISS PBLA14 END 123.678
HIERARCH ESO ISS PBL23 START 33.506
HIERARCH ESO ISS PBL23 END 33.464
HIERARCH ESO ISS PBLA23 START 31.6
HIERARCH ESO ISS PBLA23 END 31.9
HIERARCH ESO ISS PBL24 START 11.161
HIERARCH ESO ISS PBL24 END 11.147
HIERARCH ESO ISS PBLA24 START 31.577
HIERARCH ESO ISS PBLA24 END 31.898
HIERARCH ESO ISS PBL34 START 22.345
HIERARCH ESO ISS PBL34 END 22.317
HIERARCH ESO ISS PBLA34 START 211.64
HIERARCH ESO ISS PBLA34 END 211.961
HIERARCH ESO ISS AMBI TAU0 START 0.007134
HIERARCH ESO ISS AMBI TAU0 END 0.007764
HIERARCH ESO ISS AMBI TEMP 17.25
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.77