Exposure
ID
GRAVI.2021-05-24T06:04:26.676_2
Header ID
GRAVI.2021-05-24T06:04:26.676
Date updated
2021-05-24 06:20:34 UTC+0000
Release date
2022-05-24 06:20:34 UTC+0000
UTC Start
2021-05-24 06:04:26.676
UTC End
2021-05-24 06:09:46.676
MJD Start
59358.25308653
MJD End
59358.2567902337
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0049925
Ambient temperature (°C)
12.16
Seeing (arcsec)
0.465
Observation
ID
47451
Category
science
Program ID
105.20B2.002
Program Title
THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
Program Type
GTO
PI / COI
EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
ID
35588
Name
IRS16C
RA
266.4171125
DEC
-29.0076491944444
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.5080 56.4830 24.3000 25.0000
U1-U3 102.3790 102.3350 30.6000 31.3000
U1-U4 130.1960 130.2090 58.5590 59.2590
U2-U3 46.6320 46.6140 38.3000 39.0000
U2-U4 89.3240 89.3970 79.4060 80.1100
U3-U4 62.2490 62.3450 108.9030 109.5680
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20B2.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59358.25308653
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S2
RA 266.416898
DEC -29.00719
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 56.508
HIERARCH ESO ISS PBL12 END 56.483
HIERARCH ESO ISS PBLA12 START 24.3
HIERARCH ESO ISS PBLA12 END 25.0
HIERARCH ESO ISS PBL13 START 102.379
HIERARCH ESO ISS PBL13 END 102.335
HIERARCH ESO ISS PBLA13 START 30.6
HIERARCH ESO ISS PBLA13 END 31.3
HIERARCH ESO ISS PBL14 START 130.196
HIERARCH ESO ISS PBL14 END 130.209
HIERARCH ESO ISS PBLA14 START 58.559
HIERARCH ESO ISS PBLA14 END 59.259
HIERARCH ESO ISS PBL23 START 46.632
HIERARCH ESO ISS PBL23 END 46.614
HIERARCH ESO ISS PBLA23 START 38.3
HIERARCH ESO ISS PBLA23 END 39.0
HIERARCH ESO ISS PBL24 START 89.324
HIERARCH ESO ISS PBL24 END 89.397
HIERARCH ESO ISS PBLA24 START 79.406
HIERARCH ESO ISS PBLA24 END 80.11
HIERARCH ESO ISS PBL34 START 62.249
HIERARCH ESO ISS PBL34 END 62.345
HIERARCH ESO ISS PBLA34 START 108.903
HIERARCH ESO ISS PBLA34 END 109.568
HIERARCH ESO ISS AMBI TAU0 START 0.005098
HIERARCH ESO ISS AMBI TAU0 END 0.004887
HIERARCH ESO ISS AMBI TEMP 12.16
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.55
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1070
HIERARCH ESO FT ROBJ DELTA -290027.5371