Exposure
- ID
- GRAVI.2023-06-04T05:26:38.875_2
- Header ID
- GRAVI.2023-06-04T05:26:38.875
- Date updated
- 2023-06-04 05:41:10 UTC+0000
- Release date
- 2024-06-04 05:41:10 UTC+0000
- UTC Start
- 2023-06-04 05:26:38.875
- UTC End
- 2023-06-04 05:32:38.875
- MJD Start
- 60099.22683883
- MJD End
- 60099.2310054967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010895
- Ambient temperature (°C)
- 14.2
- Seeing (arcsec)
- 0.315
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 56.4930 | 56.4620 | 24.7000 | 25.4000 |
| U1-U3 | 102.3540 | 102.2930 | 31.1000 | 31.8000 |
| U1-U4 | 130.2090 | 130.1890 | 58.9910 | 59.7740 |
| U2-U3 | 46.6220 | 46.5960 | 38.7000 | 39.5000 |
| U2-U4 | 89.3730 | 89.4240 | 79.8390 | 80.6330 |
| U3-U4 | 62.3100 | 62.3980 | 109.3110 | 110.0710 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60099.22683883 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.493 |
| HIERARCH ESO ISS PBL12 END | 56.462 |
| HIERARCH ESO ISS PBLA12 START | 24.7 |
| HIERARCH ESO ISS PBLA12 END | 25.4 |
| HIERARCH ESO ISS PBL13 START | 102.354 |
| HIERARCH ESO ISS PBL13 END | 102.293 |
| HIERARCH ESO ISS PBLA13 START | 31.1 |
| HIERARCH ESO ISS PBLA13 END | 31.8 |
| HIERARCH ESO ISS PBL14 START | 130.209 |
| HIERARCH ESO ISS PBL14 END | 130.189 |
| HIERARCH ESO ISS PBLA14 START | 58.991 |
| HIERARCH ESO ISS PBLA14 END | 59.774 |
| HIERARCH ESO ISS PBL23 START | 46.622 |
| HIERARCH ESO ISS PBL23 END | 46.596 |
| HIERARCH ESO ISS PBLA23 START | 38.7 |
| HIERARCH ESO ISS PBLA23 END | 39.5 |
| HIERARCH ESO ISS PBL24 START | 89.373 |
| HIERARCH ESO ISS PBL24 END | 89.424 |
| HIERARCH ESO ISS PBLA24 START | 79.839 |
| HIERARCH ESO ISS PBLA24 END | 80.633 |
| HIERARCH ESO ISS PBL34 START | 62.31 |
| HIERARCH ESO ISS PBL34 END | 62.398 |
| HIERARCH ESO ISS PBLA34 START | 109.311 |
| HIERARCH ESO ISS PBLA34 END | 110.071 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011001 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010789 |
| HIERARCH ESO ISS AMBI TEMP | 14.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.29 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |