Exposure
ID
GRAVI.2025-01-28T04:27:20.043_1
Header ID
GRAVI.2025-01-28T04:27:20.043
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-01-28 04:40:33 UTC+0000
UTC Start
2025-01-28 04:27:20.043
UTC End
2025-01-28 04:30:32.043
MJD Start
60703.18564865
MJD End
60703.18787087222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0087485
Ambient temperature (°C)
17.2
Seeing (arcsec)
0.65
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 25.1490 25.1300 151.7000 152.2000
A0-D0 30.6350 30.5010 79.1000 79.5000
A0-C1 22.0830 22.0240 125.5110 126.0560
B2-D0 33.3030 33.2510 33.0000 33.3000
B2-C1 11.0940 11.0760 32.9710 33.2690
D0-C1 22.2090 22.1740 213.0340 213.3320
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 60703.18564865
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 25.149
HIERARCH ESO ISS PBL12 END 25.13
HIERARCH ESO ISS PBLA12 START 151.7
HIERARCH ESO ISS PBLA12 END 152.2
HIERARCH ESO ISS PBL13 START 30.635
HIERARCH ESO ISS PBL13 END 30.501
HIERARCH ESO ISS PBLA13 START 79.1
HIERARCH ESO ISS PBLA13 END 79.5
HIERARCH ESO ISS PBL14 START 22.083
HIERARCH ESO ISS PBL14 END 22.024
HIERARCH ESO ISS PBLA14 START 125.511
HIERARCH ESO ISS PBLA14 END 126.056
HIERARCH ESO ISS PBL23 START 33.303
HIERARCH ESO ISS PBL23 END 33.251
HIERARCH ESO ISS PBLA23 START 33.0
HIERARCH ESO ISS PBLA23 END 33.3
HIERARCH ESO ISS PBL24 START 11.094
HIERARCH ESO ISS PBL24 END 11.076
HIERARCH ESO ISS PBLA24 START 32.971
HIERARCH ESO ISS PBLA24 END 33.269
HIERARCH ESO ISS PBL34 START 22.209
HIERARCH ESO ISS PBL34 END 22.174
HIERARCH ESO ISS PBLA34 START 213.034
HIERARCH ESO ISS PBLA34 END 213.332
HIERARCH ESO ISS AMBI TAU0 START 0.009239
HIERARCH ESO ISS AMBI TAU0 END 0.008258
HIERARCH ESO ISS AMBI TEMP 17.2
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.66