Exposure
- ID
- GRAVI.2023-07-06T04:45:05.040_2
- Header ID
- GRAVI.2023-07-06T04:45:05.040
- Date updated
- 2023-07-06 05:00:23 UTC+0000
- Release date
- 2024-07-06 05:00:23 UTC+0000
- UTC Start
- 2023-07-06 04:45:05.040
- UTC End
- 2023-07-06 04:51:05.040
- MJD Start
- 60131.197975
- MJD End
- 60131.2021416667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0043355
- Ambient temperature (°C)
- 12.96
- Seeing (arcsec)
- 0.79
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 | 55.3800 | 55.2180 | 33.0000 | 33.5000 |
| U1-U3 | 99.8270 | 99.4510 | 39.3000 | 39.9000 |
| U1-U4 | 124.9510 | 124.0700 | 68.1380 | 68.7680 |
| U2-U3 | 45.2080 | 44.9910 | 47.2000 | 47.7000 |
| U2-U4 | 85.8220 | 85.1710 | 89.9520 | 90.7450 |
| U3-U4 | 60.9570 | 60.6510 | 120.2090 | 121.1710 |
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 | 60131.197975 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416914 |
| 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 | 55.38 |
| HIERARCH ESO ISS PBL12 END | 55.218 |
| HIERARCH ESO ISS PBLA12 START | 33.0 |
| HIERARCH ESO ISS PBLA12 END | 33.5 |
| HIERARCH ESO ISS PBL13 START | 99.827 |
| HIERARCH ESO ISS PBL13 END | 99.451 |
| HIERARCH ESO ISS PBLA13 START | 39.3 |
| HIERARCH ESO ISS PBLA13 END | 39.9 |
| HIERARCH ESO ISS PBL14 START | 124.951 |
| HIERARCH ESO ISS PBL14 END | 124.07 |
| HIERARCH ESO ISS PBLA14 START | 68.138 |
| HIERARCH ESO ISS PBLA14 END | 68.768 |
| HIERARCH ESO ISS PBL23 START | 45.208 |
| HIERARCH ESO ISS PBL23 END | 44.991 |
| HIERARCH ESO ISS PBLA23 START | 47.2 |
| HIERARCH ESO ISS PBLA23 END | 47.7 |
| HIERARCH ESO ISS PBL24 START | 85.822 |
| HIERARCH ESO ISS PBL24 END | 85.171 |
| HIERARCH ESO ISS PBLA24 START | 89.952 |
| HIERARCH ESO ISS PBLA24 END | 90.745 |
| HIERARCH ESO ISS PBL34 START | 60.957 |
| HIERARCH ESO ISS PBL34 END | 60.651 |
| HIERARCH ESO ISS PBLA34 START | 120.209 |
| HIERARCH ESO ISS PBLA34 END | 121.171 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004159 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004512 |
| HIERARCH ESO ISS AMBI TEMP | 12.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |