Exposure
- ID
- GRAVI.2023-07-06T02:45:49.719_2
- Header ID
- GRAVI.2023-07-06T02:45:49.719
- Date updated
- 2023-07-06 03:01:17 UTC+0000
- Release date
- 2024-07-06 03:01:17 UTC+0000
- UTC Start
- 2023-07-06 02:45:49.719
- UTC End
- 2023-07-06 02:51:49.719
- MJD Start
- 60131.11515879
- MJD End
- 60131.1193254567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004022
- Ambient temperature (°C)
- 13.29
- Seeing (arcsec)
- 0.815
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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 | 56.5590 | 56.5590 | 20.6000 | 21.4000 |
| U1-U3 | 102.4010 | 102.4240 | 26.8000 | 27.6000 |
| U1-U4 | 129.3420 | 129.6210 | 54.4630 | 55.3400 |
| U2-U3 | 46.5790 | 46.6080 | 34.4000 | 35.2000 |
| U2-U4 | 88.1940 | 88.5250 | 75.3960 | 76.2400 |
| U3-U4 | 61.2270 | 61.5060 | 105.3500 | 106.0660 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60131.11515879 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41682 |
| DEC | -29.00731 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.6 |
| HIERARCH ESO ISS PBLA12 END | 21.4 |
| HIERARCH ESO ISS PBL13 START | 102.401 |
| HIERARCH ESO ISS PBL13 END | 102.424 |
| HIERARCH ESO ISS PBLA13 START | 26.8 |
| HIERARCH ESO ISS PBLA13 END | 27.6 |
| HIERARCH ESO ISS PBL14 START | 129.342 |
| HIERARCH ESO ISS PBL14 END | 129.621 |
| HIERARCH ESO ISS PBLA14 START | 54.463 |
| HIERARCH ESO ISS PBLA14 END | 55.34 |
| HIERARCH ESO ISS PBL23 START | 46.579 |
| HIERARCH ESO ISS PBL23 END | 46.608 |
| HIERARCH ESO ISS PBLA23 START | 34.4 |
| HIERARCH ESO ISS PBLA23 END | 35.2 |
| HIERARCH ESO ISS PBL24 START | 88.194 |
| HIERARCH ESO ISS PBL24 END | 88.525 |
| HIERARCH ESO ISS PBLA24 START | 75.396 |
| HIERARCH ESO ISS PBLA24 END | 76.24 |
| HIERARCH ESO ISS PBL34 START | 61.227 |
| HIERARCH ESO ISS PBL34 END | 61.506 |
| HIERARCH ESO ISS PBLA34 START | 105.35 |
| HIERARCH ESO ISS PBLA34 END | 106.066 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004193 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003851 |
| HIERARCH ESO ISS AMBI TEMP | 13.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |