Exposure
- ID
- GRAVI.2021-06-26T02:08:16.758_2
- Header ID
- GRAVI.2021-06-26T02:08:16.758
- Date updated
- 2021-06-26 02:25:35 UTC+0000
- Release date
- 2022-06-26 02:25:35 UTC+0000
- UTC Start
- 2021-06-26 02:08:16.758
- UTC End
- 2021-06-26 02:13:36.758
- MJD Start
- 59391.08908285
- MJD End
- 59391.0927865537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004001
- Ambient temperature (°C)
- 9.52
- Seeing (arcsec)
- 0.625
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 | 56.3730 | 56.3920 | 10.8000 | 11.6000 |
| U1-U3 | 101.5500 | 101.6340 | 16.5000 | 17.3000 |
| U1-U4 | 123.1500 | 123.7730 | 42.8340 | 43.8370 |
| U2-U3 | 45.7960 | 45.8730 | 23.5000 | 24.4000 |
| U2-U4 | 81.0930 | 81.8260 | 64.4860 | 65.4240 |
| U3-U4 | 55.4030 | 56.0180 | 97.3440 | 97.9560 |
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 | 59391.08908285 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| 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 | 56.373 |
| HIERARCH ESO ISS PBL12 END | 56.392 |
| HIERARCH ESO ISS PBLA12 START | 10.8 |
| HIERARCH ESO ISS PBLA12 END | 11.6 |
| HIERARCH ESO ISS PBL13 START | 101.55 |
| HIERARCH ESO ISS PBL13 END | 101.634 |
| HIERARCH ESO ISS PBLA13 START | 16.5 |
| HIERARCH ESO ISS PBLA13 END | 17.3 |
| HIERARCH ESO ISS PBL14 START | 123.15 |
| HIERARCH ESO ISS PBL14 END | 123.773 |
| HIERARCH ESO ISS PBLA14 START | 42.834 |
| HIERARCH ESO ISS PBLA14 END | 43.837 |
| HIERARCH ESO ISS PBL23 START | 45.796 |
| HIERARCH ESO ISS PBL23 END | 45.873 |
| HIERARCH ESO ISS PBLA23 START | 23.5 |
| HIERARCH ESO ISS PBLA23 END | 24.4 |
| HIERARCH ESO ISS PBL24 START | 81.093 |
| HIERARCH ESO ISS PBL24 END | 81.826 |
| HIERARCH ESO ISS PBLA24 START | 64.486 |
| HIERARCH ESO ISS PBLA24 END | 65.424 |
| HIERARCH ESO ISS PBL34 START | 55.403 |
| HIERARCH ESO ISS PBL34 END | 56.018 |
| HIERARCH ESO ISS PBLA34 START | 97.344 |
| HIERARCH ESO ISS PBLA34 END | 97.956 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003896 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004106 |
| HIERARCH ESO ISS AMBI TEMP | 9.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |