Exposure
- ID
- GRAVI.2021-05-23T08:13:06.715_2
- Header ID
- GRAVI.2021-05-23T08:13:06.715
- Date updated
- 2021-05-23 08:30:52 UTC+0000
- Release date
- 2022-05-23 08:30:52 UTC+0000
- UTC Start
- 2021-05-23 08:13:06.715
- UTC End
- 2021-05-23 08:18:26.715
- MJD Start
- 59357.34243883
- MJD End
- 59357.3461425337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078285
- Ambient temperature (°C)
- 11.46
- Seeing (arcsec)
- 0.25
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 | 54.2820 | 54.0730 | 35.8000 | 36.2000 |
| U1-U3 | 97.2770 | 96.7930 | 42.1000 | 42.5000 |
| U1-U4 | 118.9840 | 117.8550 | 71.6250 | 72.1430 |
| U2-U3 | 43.7350 | 43.4560 | 50.0000 | 50.4000 |
| U2-U4 | 81.4140 | 80.5860 | 94.5850 | 95.3330 |
| U3-U4 | 58.9070 | 58.5310 | 126.0000 | 126.9680 |
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 | 59357.34243883 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416924 |
| DEC | -29.00736 |
| 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 | 54.282 |
| HIERARCH ESO ISS PBL12 END | 54.073 |
| HIERARCH ESO ISS PBLA12 START | 35.8 |
| HIERARCH ESO ISS PBLA12 END | 36.2 |
| HIERARCH ESO ISS PBL13 START | 97.277 |
| HIERARCH ESO ISS PBL13 END | 96.793 |
| HIERARCH ESO ISS PBLA13 START | 42.1 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 118.984 |
| HIERARCH ESO ISS PBL14 END | 117.855 |
| HIERARCH ESO ISS PBLA14 START | 71.625 |
| HIERARCH ESO ISS PBLA14 END | 72.143 |
| HIERARCH ESO ISS PBL23 START | 43.735 |
| HIERARCH ESO ISS PBL23 END | 43.456 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 81.414 |
| HIERARCH ESO ISS PBL24 END | 80.586 |
| HIERARCH ESO ISS PBLA24 START | 94.585 |
| HIERARCH ESO ISS PBLA24 END | 95.333 |
| HIERARCH ESO ISS PBL34 START | 58.907 |
| HIERARCH ESO ISS PBL34 END | 58.531 |
| HIERARCH ESO ISS PBLA34 START | 126.0 |
| HIERARCH ESO ISS PBLA34 END | 126.968 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007539 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008118 |
| HIERARCH ESO ISS AMBI TEMP | 11.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.24 |
| HIERARCH ESO ISS AMBI FWHM END | 0.26 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |