Exposure
ID
GRAVI.2025-02-22T03:42:56.445_1
Header ID
GRAVI.2025-02-22T03:42:56.445
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-02-22 03:50:33 UTC+0000
UTC Start
2025-02-22 03:42:56.445
UTC End
2025-02-22 03:45:36.445
MJD Start
60728.15481997
MJD End
60728.15667182185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007336499999999999
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.825
Observation
ID
63095
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
47005
Name
SCI_V407_Pup
RA
119.474194
DEC
-20.42867
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 47.8290 47.7910 159.7000 160.1000
A0-J2 123.6860 123.2280 99.4000 99.7000
A0-J6 169.1690 169.0790 32.2950 32.5070
B5-J2 108.2950 107.9500 76.8000 77.0000
B5-J6 201.8390 201.8180 21.4460 21.6910
J2-J6 166.2260 166.1700 349.0240 349.3830
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 60728.15481997
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V V407 Pup
HIERARCH ESO INS SOBJ NAME SCI_V407_Pup
RA 119.474194
DEC -20.42867
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 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 47.829
HIERARCH ESO ISS PBL12 END 47.791
HIERARCH ESO ISS PBLA12 START 159.7
HIERARCH ESO ISS PBLA12 END 160.1
HIERARCH ESO ISS PBL13 START 123.686
HIERARCH ESO ISS PBL13 END 123.228
HIERARCH ESO ISS PBLA13 START 99.4
HIERARCH ESO ISS PBLA13 END 99.7
HIERARCH ESO ISS PBL14 START 169.169
HIERARCH ESO ISS PBL14 END 169.079
HIERARCH ESO ISS PBLA14 START 32.295
HIERARCH ESO ISS PBLA14 END 32.507
HIERARCH ESO ISS PBL23 START 108.295
HIERARCH ESO ISS PBL23 END 107.95
HIERARCH ESO ISS PBLA23 START 76.8
HIERARCH ESO ISS PBLA23 END 77.0
HIERARCH ESO ISS PBL24 START 201.839
HIERARCH ESO ISS PBL24 END 201.818
HIERARCH ESO ISS PBLA24 START 21.446
HIERARCH ESO ISS PBLA24 END 21.691
HIERARCH ESO ISS PBL34 START 166.226
HIERARCH ESO ISS PBL34 END 166.17
HIERARCH ESO ISS PBLA34 START 349.024
HIERARCH ESO ISS PBLA34 END 349.383
HIERARCH ESO ISS AMBI TAU0 START 0.006762
HIERARCH ESO ISS AMBI TAU0 END 0.007911
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.84