Exposure
- ID
- GRAVI.2023-07-04T02:20:21.640_2
- Header ID
- GRAVI.2023-07-04T02:20:21.640
- Date updated
- 2023-07-04 02:35:35 UTC+0000
- Release date
- 2024-07-04 02:35:35 UTC+0000
- UTC Start
- 2023-07-04 02:20:21.640
- UTC End
- 2023-07-04 02:26:21.640
- MJD Start
- 60129.09747268
- MJD End
- 60129.1016393467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003724
- Ambient temperature (°C)
- 12.29
- Seeing (arcsec)
- 0.935
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 | 56.5050 | 56.5220 | 16.4000 | 17.2000 |
| U1-U3 | 102.1190 | 102.1920 | 22.4000 | 23.3000 |
| U1-U4 | 127.1860 | 127.6960 | 49.6640 | 50.6460 |
| U2-U3 | 46.3100 | 46.3750 | 29.8000 | 30.7000 |
| U2-U4 | 85.7410 | 86.3160 | 70.8580 | 71.7780 |
| U3-U4 | 59.2280 | 59.6940 | 101.7610 | 102.4550 |
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 | 60129.09747268 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416639 |
| DEC | -29.00722 |
| 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 | 56.505 |
| HIERARCH ESO ISS PBL12 END | 56.522 |
| HIERARCH ESO ISS PBLA12 START | 16.4 |
| HIERARCH ESO ISS PBLA12 END | 17.2 |
| HIERARCH ESO ISS PBL13 START | 102.119 |
| HIERARCH ESO ISS PBL13 END | 102.192 |
| HIERARCH ESO ISS PBLA13 START | 22.4 |
| HIERARCH ESO ISS PBLA13 END | 23.3 |
| HIERARCH ESO ISS PBL14 START | 127.186 |
| HIERARCH ESO ISS PBL14 END | 127.696 |
| HIERARCH ESO ISS PBLA14 START | 49.664 |
| HIERARCH ESO ISS PBLA14 END | 50.646 |
| HIERARCH ESO ISS PBL23 START | 46.31 |
| HIERARCH ESO ISS PBL23 END | 46.375 |
| HIERARCH ESO ISS PBLA23 START | 29.8 |
| HIERARCH ESO ISS PBLA23 END | 30.7 |
| HIERARCH ESO ISS PBL24 START | 85.741 |
| HIERARCH ESO ISS PBL24 END | 86.316 |
| HIERARCH ESO ISS PBLA24 START | 70.858 |
| HIERARCH ESO ISS PBLA24 END | 71.778 |
| HIERARCH ESO ISS PBL34 START | 59.228 |
| HIERARCH ESO ISS PBL34 END | 59.694 |
| HIERARCH ESO ISS PBLA34 START | 101.761 |
| HIERARCH ESO ISS PBLA34 END | 102.455 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003704 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003744 |
| HIERARCH ESO ISS AMBI TEMP | 12.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 0.95 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |