Exposure
- ID
- GRAVI.2021-06-25T02:13:24.101_2
- Header ID
- GRAVI.2021-06-25T02:13:24.101
- Date updated
- 2021-06-25 02:30:41 UTC+0000
- Release date
- 2022-06-25 02:30:40 UTC+0000
- UTC Start
- 2021-06-25 02:13:24.101
- UTC End
- 2021-06-25 02:18:44.101
- MJD Start
- 59390.09264006
- MJD End
- 59390.0963437637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005413
- Ambient temperature (°C)
- 10.66
- Seeing (arcsec)
- 0.555
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 56.3770 | 56.3960 | 10.9000 | 11.7000 |
| U1-U3 | 101.5680 | 101.6510 | 16.6000 | 17.5000 |
| U1-U4 | 123.2820 | 123.8990 | 43.0470 | 44.0430 |
| U2-U3 | 45.8120 | 45.8890 | 23.7000 | 24.6000 |
| U2-U4 | 81.2490 | 81.9740 | 64.6850 | 65.6160 |
| U3-U4 | 55.5340 | 56.1410 | 97.4740 | 98.0830 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.09264006 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41688 |
| DEC | -29.00716 |
| 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 | 56.377 |
| HIERARCH ESO ISS PBL12 END | 56.396 |
| HIERARCH ESO ISS PBLA12 START | 10.9 |
| HIERARCH ESO ISS PBLA12 END | 11.7 |
| HIERARCH ESO ISS PBL13 START | 101.568 |
| HIERARCH ESO ISS PBL13 END | 101.651 |
| HIERARCH ESO ISS PBLA13 START | 16.6 |
| HIERARCH ESO ISS PBLA13 END | 17.5 |
| HIERARCH ESO ISS PBL14 START | 123.282 |
| HIERARCH ESO ISS PBL14 END | 123.899 |
| HIERARCH ESO ISS PBLA14 START | 43.047 |
| HIERARCH ESO ISS PBLA14 END | 44.043 |
| HIERARCH ESO ISS PBL23 START | 45.812 |
| HIERARCH ESO ISS PBL23 END | 45.889 |
| HIERARCH ESO ISS PBLA23 START | 23.7 |
| HIERARCH ESO ISS PBLA23 END | 24.6 |
| HIERARCH ESO ISS PBL24 START | 81.249 |
| HIERARCH ESO ISS PBL24 END | 81.974 |
| HIERARCH ESO ISS PBLA24 START | 64.685 |
| HIERARCH ESO ISS PBLA24 END | 65.616 |
| HIERARCH ESO ISS PBL34 START | 55.534 |
| HIERARCH ESO ISS PBL34 END | 56.141 |
| HIERARCH ESO ISS PBLA34 START | 97.474 |
| HIERARCH ESO ISS PBLA34 END | 98.083 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005844 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004982 |
| HIERARCH ESO ISS AMBI TEMP | 10.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |