Exposure
- ID
- GRAVI.2023-07-04T02:05:18.600_2
- Header ID
- GRAVI.2023-07-04T02:05:18.600
- Date updated
- 2023-07-04 02:20:42 UTC+0000
- Release date
- 2024-07-04 02:20:42 UTC+0000
- UTC Start
- 2023-07-04 02:05:18.600
- UTC End
- 2023-07-04 02:11:18.600
- MJD Start
- 60129.08702083
- MJD End
- 60129.0911874967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040275
- Ambient temperature (°C)
- 12.2
- Seeing (arcsec)
- 0.82
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 | 56.4610 | 56.4810 | 14.4000 | 15.3000 |
| U1-U3 | 101.9280 | 102.0140 | 20.3000 | 21.2000 |
| U1-U4 | 125.8640 | 126.4570 | 47.3010 | 48.3360 |
| U2-U3 | 46.1380 | 46.2150 | 27.6000 | 28.5000 |
| U2-U4 | 84.2420 | 84.9160 | 68.6520 | 69.6170 |
| U3-U4 | 58.0100 | 58.5590 | 100.1590 | 100.8490 |
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 | 60129.08702083 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416929 |
| DEC | -29.00727 |
| 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 | 56.461 |
| HIERARCH ESO ISS PBL12 END | 56.481 |
| HIERARCH ESO ISS PBLA12 START | 14.4 |
| HIERARCH ESO ISS PBLA12 END | 15.3 |
| HIERARCH ESO ISS PBL13 START | 101.928 |
| HIERARCH ESO ISS PBL13 END | 102.014 |
| HIERARCH ESO ISS PBLA13 START | 20.3 |
| HIERARCH ESO ISS PBLA13 END | 21.2 |
| HIERARCH ESO ISS PBL14 START | 125.864 |
| HIERARCH ESO ISS PBL14 END | 126.457 |
| HIERARCH ESO ISS PBLA14 START | 47.301 |
| HIERARCH ESO ISS PBLA14 END | 48.336 |
| HIERARCH ESO ISS PBL23 START | 46.138 |
| HIERARCH ESO ISS PBL23 END | 46.215 |
| HIERARCH ESO ISS PBLA23 START | 27.6 |
| HIERARCH ESO ISS PBLA23 END | 28.5 |
| HIERARCH ESO ISS PBL24 START | 84.242 |
| HIERARCH ESO ISS PBL24 END | 84.916 |
| HIERARCH ESO ISS PBLA24 START | 68.652 |
| HIERARCH ESO ISS PBLA24 END | 69.617 |
| HIERARCH ESO ISS PBL34 START | 58.01 |
| HIERARCH ESO ISS PBL34 END | 58.559 |
| HIERARCH ESO ISS PBLA34 START | 100.159 |
| HIERARCH ESO ISS PBLA34 END | 100.849 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004042 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004013 |
| HIERARCH ESO ISS AMBI TEMP | 12.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.85 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |