Exposure
ID
GRAVI.2025-11-25T04:04:31.988_1
Header ID
GRAVI.2025-11-25T04:04:31.988
Date updated
2025-11-25 04:21:34 UTC+0000
Release date
2026-11-25 04:21:34 UTC+0000
UTC Start
2025-11-25 04:04:31.988
UTC End
2025-11-25 04:07:43.988
MJD Start
61004.16981468
MJD End
61004.17203690222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004536999999999999
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.78
Observation
ID
71854
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
53337
Name
145_CMa
RA
109.151031
DEC
-23.31557
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 42.7920 43.0150 139.1000 139.2000
A0-D0 24.0280 24.2140 36.0000 37.0000
A0-G1 61.8210 62.7810 100.0210 100.2310
B5-D0 53.6180 53.6250 345.0000 345.3000
B5-G1 39.3400 39.8730 56.6830 57.5490
D0-G1 55.6470 56.2040 122.8580 122.8570
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 61004.16981468
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 145 CMa
HIERARCH ESO INS SOBJ NAME 145_CMa
RA 109.151031
DEC -23.31557
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 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 42.792
HIERARCH ESO ISS PBL12 END 43.015
HIERARCH ESO ISS PBLA12 START 139.1
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 24.028
HIERARCH ESO ISS PBL13 END 24.214
HIERARCH ESO ISS PBLA13 START 36.0
HIERARCH ESO ISS PBLA13 END 37.0
HIERARCH ESO ISS PBL14 START 61.821
HIERARCH ESO ISS PBL14 END 62.781
HIERARCH ESO ISS PBLA14 START 100.021
HIERARCH ESO ISS PBLA14 END 100.231
HIERARCH ESO ISS PBL23 START 53.618
HIERARCH ESO ISS PBL23 END 53.625
HIERARCH ESO ISS PBLA23 START 345.0
HIERARCH ESO ISS PBLA23 END 345.3
HIERARCH ESO ISS PBL24 START 39.34
HIERARCH ESO ISS PBL24 END 39.873
HIERARCH ESO ISS PBLA24 START 56.683
HIERARCH ESO ISS PBLA24 END 57.549
HIERARCH ESO ISS PBL34 START 55.647
HIERARCH ESO ISS PBL34 END 56.204
HIERARCH ESO ISS PBLA34 START 122.858
HIERARCH ESO ISS PBLA34 END 122.857
HIERARCH ESO ISS AMBI TAU0 START 0.004142
HIERARCH ESO ISS AMBI TAU0 END 0.004932
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.81