Exposure
- ID
- GRAVI.2021-06-26T03:18:04.934_2
- Header ID
- GRAVI.2021-06-26T03:18:04.934
- Date updated
- 2021-06-26 03:35:28 UTC+0000
- Release date
- 2022-06-26 03:35:28 UTC+0000
- UTC Start
- 2021-06-26 03:18:04.934
- UTC End
- 2021-06-26 03:23:24.934
- MJD Start
- 59391.13755711
- MJD End
- 59391.1412608137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004953
- Ambient temperature (°C)
- 9.32
- Seeing (arcsec)
- 0.41
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 | 56.5570 | 56.5590 | 20.0000 | 20.7000 |
| U1-U3 | 102.3750 | 102.4040 | 26.2000 | 26.9000 |
| U1-U4 | 129.0940 | 129.3760 | 53.7750 | 54.5620 |
| U2-U3 | 46.5500 | 46.5830 | 33.7000 | 34.5000 |
| U2-U4 | 87.9040 | 88.2330 | 74.7380 | 75.4910 |
| U3-U4 | 60.9870 | 61.2600 | 104.8020 | 105.4300 |
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 | 59391.13755711 |
| 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 | 56.557 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.0 |
| HIERARCH ESO ISS PBLA12 END | 20.7 |
| HIERARCH ESO ISS PBL13 START | 102.375 |
| HIERARCH ESO ISS PBL13 END | 102.404 |
| HIERARCH ESO ISS PBLA13 START | 26.2 |
| HIERARCH ESO ISS PBLA13 END | 26.9 |
| HIERARCH ESO ISS PBL14 START | 129.094 |
| HIERARCH ESO ISS PBL14 END | 129.376 |
| HIERARCH ESO ISS PBLA14 START | 53.775 |
| HIERARCH ESO ISS PBLA14 END | 54.562 |
| HIERARCH ESO ISS PBL23 START | 46.55 |
| HIERARCH ESO ISS PBL23 END | 46.583 |
| HIERARCH ESO ISS PBLA23 START | 33.7 |
| HIERARCH ESO ISS PBLA23 END | 34.5 |
| HIERARCH ESO ISS PBL24 START | 87.904 |
| HIERARCH ESO ISS PBL24 END | 88.233 |
| HIERARCH ESO ISS PBLA24 START | 74.738 |
| HIERARCH ESO ISS PBLA24 END | 75.491 |
| HIERARCH ESO ISS PBL34 START | 60.987 |
| HIERARCH ESO ISS PBL34 END | 61.26 |
| HIERARCH ESO ISS PBLA34 START | 104.802 |
| HIERARCH ESO ISS PBLA34 END | 105.43 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004268 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005638 |
| HIERARCH ESO ISS AMBI TEMP | 9.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |