Exposure
ID
GRAVI.2025-02-26T02:42:01.029_1
Header ID
GRAVI.2025-02-26T02:42:01.029
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-02-26 02:50:49 UTC+0000
UTC Start
2025-02-26 02:42:01.029
UTC End
2025-02-26 02:45:13.029
MJD Start
60732.11251191
MJD End
60732.11473413223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003001
Ambient temperature (°C)
18.45
Seeing (arcsec)
1.35
Observation
ID
64848
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
48293
Name
145_CMa
RA
109.151032
DEC
-23.31557
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.8140 87.5370 123.7000 124.2000
A0-J2 124.5560 124.0380 99.8000 100.2000
A0-K0 123.9040 123.4260 77.2400 77.5580
G1-J2 56.8620 56.6940 61.0000 61.2000
G1-K0 89.9150 89.8320 32.1310 32.4150
J2-K0 48.5890 48.5880 357.7610 358.1710
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 60732.11251191
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 145 CMa
HIERARCH ESO INS SOBJ NAME 145_CMa
RA 109.151032
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 87.814
HIERARCH ESO ISS PBL12 END 87.537
HIERARCH ESO ISS PBLA12 START 123.7
HIERARCH ESO ISS PBLA12 END 124.2
HIERARCH ESO ISS PBL13 START 124.556
HIERARCH ESO ISS PBL13 END 124.038
HIERARCH ESO ISS PBLA13 START 99.8
HIERARCH ESO ISS PBLA13 END 100.2
HIERARCH ESO ISS PBL14 START 123.904
HIERARCH ESO ISS PBL14 END 123.426
HIERARCH ESO ISS PBLA14 START 77.24
HIERARCH ESO ISS PBLA14 END 77.558
HIERARCH ESO ISS PBL23 START 56.862
HIERARCH ESO ISS PBL23 END 56.694
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.2
HIERARCH ESO ISS PBL24 START 89.915
HIERARCH ESO ISS PBL24 END 89.832
HIERARCH ESO ISS PBLA24 START 32.131
HIERARCH ESO ISS PBLA24 END 32.415
HIERARCH ESO ISS PBL34 START 48.589
HIERARCH ESO ISS PBL34 END 48.588
HIERARCH ESO ISS PBLA34 START 357.761
HIERARCH ESO ISS PBLA34 END 358.171
HIERARCH ESO ISS AMBI TAU0 START 0.002406
HIERARCH ESO ISS AMBI TAU0 END 0.003596
HIERARCH ESO ISS AMBI TEMP 18.45
HIERARCH ESO ISS AMBI FWHM START 1.51
HIERARCH ESO ISS AMBI FWHM END 1.19