Exposure
- ID
- GRAVI.2022-06-20T03:56:08.619_2
- Header ID
- GRAVI.2022-06-20T03:56:08.619
- 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 03:56:08.619
- UTC End
- 2022-06-20 04:01:28.619
- MJD Start
- 59750.16398865
- MJD End
- 59750.1676923537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00296
- Ambient temperature (°C)
- 8.15
- Seeing (arcsec)
- 1.015
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 | 56.5580 | 56.5520 | 21.6000 | 22.3000 |
| U1-U3 | 102.4290 | 102.4340 | 27.9000 | 28.6000 |
| U1-U4 | 129.6940 | 129.8810 | 55.6040 | 56.3490 |
| U2-U3 | 46.6150 | 46.6310 | 35.5000 | 36.2000 |
| U2-U4 | 88.6150 | 88.8490 | 76.4960 | 77.2210 |
| U3-U4 | 61.5830 | 61.7880 | 106.2870 | 106.9190 |
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 | 59750.16398865 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416895 |
| DEC | -29.00723 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.552 |
| HIERARCH ESO ISS PBLA12 START | 21.6 |
| HIERARCH ESO ISS PBLA12 END | 22.3 |
| HIERARCH ESO ISS PBL13 START | 102.429 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 27.9 |
| HIERARCH ESO ISS PBLA13 END | 28.6 |
| HIERARCH ESO ISS PBL14 START | 129.694 |
| HIERARCH ESO ISS PBL14 END | 129.881 |
| HIERARCH ESO ISS PBLA14 START | 55.604 |
| HIERARCH ESO ISS PBLA14 END | 56.349 |
| HIERARCH ESO ISS PBL23 START | 46.615 |
| HIERARCH ESO ISS PBL23 END | 46.631 |
| HIERARCH ESO ISS PBLA23 START | 35.5 |
| HIERARCH ESO ISS PBLA23 END | 36.2 |
| HIERARCH ESO ISS PBL24 START | 88.615 |
| HIERARCH ESO ISS PBL24 END | 88.849 |
| HIERARCH ESO ISS PBLA24 START | 76.496 |
| HIERARCH ESO ISS PBLA24 END | 77.221 |
| HIERARCH ESO ISS PBL34 START | 61.583 |
| HIERARCH ESO ISS PBL34 END | 61.788 |
| HIERARCH ESO ISS PBLA34 START | 106.287 |
| HIERARCH ESO ISS PBLA34 END | 106.919 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003033 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002887 |
| HIERARCH ESO ISS AMBI TEMP | 8.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.94 |
| HIERARCH ESO ISS AMBI FWHM END | 1.09 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |