Exposure
- ID
- GRAVI.2023-07-04T05:22:25.132_2
- Header ID
- GRAVI.2023-07-04T05:22:25.132
- Date updated
- 2023-07-04 05:36:07 UTC+0000
- Release date
- 2024-07-04 05:36:07 UTC+0000
- UTC Start
- 2023-07-04 05:22:25.132
- UTC End
- 2023-07-04 05:28:25.132
- MJD Start
- 60129.22390199
- MJD End
- 60129.2280686567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041935
- Ambient temperature (°C)
- 12.11
- Seeing (arcsec)
- 0.905
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 | 54.5430 | 54.3210 | 35.3000 | 35.7000 |
| U1-U3 | 97.8810 | 97.3670 | 41.6000 | 42.1000 |
| U1-U4 | 120.3950 | 119.1940 | 70.9300 | 71.5250 |
| U2-U3 | 44.0840 | 43.7870 | 49.5000 | 49.9000 |
| U2-U4 | 82.4530 | 81.5690 | 93.6090 | 94.4430 |
| U3-U4 | 59.3840 | 58.9790 | 124.7480 | 125.8160 |
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 | 60129.22390199 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| DEC | -29.0073 |
| 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 | 54.543 |
| HIERARCH ESO ISS PBL12 END | 54.321 |
| HIERARCH ESO ISS PBLA12 START | 35.3 |
| HIERARCH ESO ISS PBLA12 END | 35.7 |
| HIERARCH ESO ISS PBL13 START | 97.881 |
| HIERARCH ESO ISS PBL13 END | 97.367 |
| HIERARCH ESO ISS PBLA13 START | 41.6 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 120.395 |
| HIERARCH ESO ISS PBL14 END | 119.194 |
| HIERARCH ESO ISS PBLA14 START | 70.93 |
| HIERARCH ESO ISS PBLA14 END | 71.525 |
| HIERARCH ESO ISS PBL23 START | 44.084 |
| HIERARCH ESO ISS PBL23 END | 43.787 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 82.453 |
| HIERARCH ESO ISS PBL24 END | 81.569 |
| HIERARCH ESO ISS PBLA24 START | 93.609 |
| HIERARCH ESO ISS PBLA24 END | 94.443 |
| HIERARCH ESO ISS PBL34 START | 59.384 |
| HIERARCH ESO ISS PBL34 END | 58.979 |
| HIERARCH ESO ISS PBLA34 START | 124.748 |
| HIERARCH ESO ISS PBLA34 END | 125.816 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004647 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00374 |
| HIERARCH ESO ISS AMBI TEMP | 12.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |