Exposure
- ID
- GRAVI.2022-06-20T01:57:01.316_2
- Header ID
- GRAVI.2022-06-20T01:57:01.316
- Date updated
- 2022-06-20 13:25:42 UTC+0000
- Release date
- 2023-06-20 13:25:42 UTC+0000
- UTC Start
- 2022-06-20 01:57:01.316
- UTC End
- 2022-06-20 02:02:21.316
- MJD Start
- 59750.08126523
- MJD End
- 59750.0849689337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0026605
- Ambient temperature (°C)
- 8.38
- Seeing (arcsec)
- 0.78
Observation
- ID
- 51275
- Category
- science
- Program ID
- 109.22ZA.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/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 56.2720 | 56.2850 | 5.7000 | 6.5000 |
| U1-U3 | 101.0600 | 101.1310 | 11.0000 | 11.9000 |
| U1-U4 | 118.9980 | 119.6760 | 36.0820 | 37.2130 |
| U2-U3 | 45.3190 | 45.3920 | 17.5000 | 18.5000 |
| U2-U4 | 75.9830 | 76.8480 | 58.0780 | 59.1670 |
| U3-U4 | 50.9610 | 51.7350 | 93.4310 | 94.0680 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59750.08126523 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416797 |
| DEC | -29.00705 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.272 |
| HIERARCH ESO ISS PBL12 END | 56.285 |
| HIERARCH ESO ISS PBLA12 START | 5.7 |
| HIERARCH ESO ISS PBLA12 END | 6.5 |
| HIERARCH ESO ISS PBL13 START | 101.06 |
| HIERARCH ESO ISS PBL13 END | 101.131 |
| HIERARCH ESO ISS PBLA13 START | 11.0 |
| HIERARCH ESO ISS PBLA13 END | 11.9 |
| HIERARCH ESO ISS PBL14 START | 118.998 |
| HIERARCH ESO ISS PBL14 END | 119.676 |
| HIERARCH ESO ISS PBLA14 START | 36.082 |
| HIERARCH ESO ISS PBLA14 END | 37.213 |
| HIERARCH ESO ISS PBL23 START | 45.319 |
| HIERARCH ESO ISS PBL23 END | 45.392 |
| HIERARCH ESO ISS PBLA23 START | 17.5 |
| HIERARCH ESO ISS PBLA23 END | 18.5 |
| HIERARCH ESO ISS PBL24 START | 75.983 |
| HIERARCH ESO ISS PBL24 END | 76.848 |
| HIERARCH ESO ISS PBLA24 START | 58.078 |
| HIERARCH ESO ISS PBLA24 END | 59.167 |
| HIERARCH ESO ISS PBL34 START | 50.961 |
| HIERARCH ESO ISS PBL34 END | 51.735 |
| HIERARCH ESO ISS PBLA34 START | 93.431 |
| HIERARCH ESO ISS PBLA34 END | 94.068 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002711 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00261 |
| HIERARCH ESO ISS AMBI TEMP | 8.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |