Exposure
- ID
- GRAVI.2021-05-29T06:46:16.594_2
- Header ID
- GRAVI.2021-05-29T06:46:16.594
- Date updated
- 2021-05-29 07:00:16 UTC+0000
- Release date
- 2022-05-29 07:00:16 UTC+0000
- UTC Start
- 2021-05-29 06:46:16.594
- UTC End
- 2021-05-29 06:51:36.594
- MJD Start
- 59363.28213651
- MJD End
- 59363.2858402137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036995
- Ambient temperature (°C)
- 10.5
- Seeing (arcsec)
- 0.75
Observation
- ID
- 47451
- Category
- science
- Program ID
- 105.20B2.002
- 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
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- 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 | 55.9100 | 55.8100 | 30.7000 | 31.2000 |
| U1-U3 | 101.0590 | 100.8270 | 37.0000 | 37.6000 |
| U1-U4 | 127.7910 | 127.2660 | 65.4990 | 66.0900 |
| U2-U3 | 45.9170 | 45.7850 | 44.8000 | 45.4000 |
| U2-U4 | 87.9060 | 87.5250 | 86.8010 | 87.4860 |
| U3-U4 | 61.9240 | 61.7510 | 116.5340 | 117.3120 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59363.28213651 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416817 |
| DEC | -29.00713 |
| 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 | 55.91 |
| HIERARCH ESO ISS PBL12 END | 55.81 |
| HIERARCH ESO ISS PBLA12 START | 30.7 |
| HIERARCH ESO ISS PBLA12 END | 31.2 |
| HIERARCH ESO ISS PBL13 START | 101.059 |
| HIERARCH ESO ISS PBL13 END | 100.827 |
| HIERARCH ESO ISS PBLA13 START | 37.0 |
| HIERARCH ESO ISS PBLA13 END | 37.6 |
| HIERARCH ESO ISS PBL14 START | 127.791 |
| HIERARCH ESO ISS PBL14 END | 127.266 |
| HIERARCH ESO ISS PBLA14 START | 65.499 |
| HIERARCH ESO ISS PBLA14 END | 66.09 |
| HIERARCH ESO ISS PBL23 START | 45.917 |
| HIERARCH ESO ISS PBL23 END | 45.785 |
| HIERARCH ESO ISS PBLA23 START | 44.8 |
| HIERARCH ESO ISS PBLA23 END | 45.4 |
| HIERARCH ESO ISS PBL24 START | 87.906 |
| HIERARCH ESO ISS PBL24 END | 87.525 |
| HIERARCH ESO ISS PBLA24 START | 86.801 |
| HIERARCH ESO ISS PBLA24 END | 87.486 |
| HIERARCH ESO ISS PBL34 START | 61.924 |
| HIERARCH ESO ISS PBL34 END | 61.751 |
| HIERARCH ESO ISS PBLA34 START | 116.534 |
| HIERARCH ESO ISS PBLA34 END | 117.312 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003462 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003937 |
| HIERARCH ESO ISS AMBI TEMP | 10.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |