Exposure
- ID
- GRAVI.2021-06-26T02:47:13.856_2
- Header ID
- GRAVI.2021-06-26T02:47:13.856
- Date updated
- 2021-06-26 03:00:39 UTC+0000
- Release date
- 2022-06-26 03:00:39 UTC+0000
- UTC Start
- 2021-06-26 02:47:13.856
- UTC End
- 2021-06-26 02:52:33.856
- MJD Start
- 59391.11613259
- MJD End
- 59391.1198362937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003652
- Ambient temperature (°C)
- 9.38
- Seeing (arcsec)
- 0.525
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 | 56.4980 | 56.5130 | 16.1000 | 16.8000 |
| U1-U3 | 102.0880 | 102.1550 | 22.1000 | 22.9000 |
| U1-U4 | 126.9740 | 127.4390 | 49.2690 | 50.1430 |
| U2-U3 | 46.2820 | 46.3420 | 29.4000 | 30.3000 |
| U2-U4 | 85.5010 | 86.0260 | 70.4880 | 71.3070 |
| U3-U4 | 59.0340 | 59.4590 | 101.4860 | 102.0970 |
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 | 59391.11613259 |
| 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 | 56.498 |
| HIERARCH ESO ISS PBL12 END | 56.513 |
| HIERARCH ESO ISS PBLA12 START | 16.1 |
| HIERARCH ESO ISS PBLA12 END | 16.8 |
| HIERARCH ESO ISS PBL13 START | 102.088 |
| HIERARCH ESO ISS PBL13 END | 102.155 |
| HIERARCH ESO ISS PBLA13 START | 22.1 |
| HIERARCH ESO ISS PBLA13 END | 22.9 |
| HIERARCH ESO ISS PBL14 START | 126.974 |
| HIERARCH ESO ISS PBL14 END | 127.439 |
| HIERARCH ESO ISS PBLA14 START | 49.269 |
| HIERARCH ESO ISS PBLA14 END | 50.143 |
| HIERARCH ESO ISS PBL23 START | 46.282 |
| HIERARCH ESO ISS PBL23 END | 46.342 |
| HIERARCH ESO ISS PBLA23 START | 29.4 |
| HIERARCH ESO ISS PBLA23 END | 30.3 |
| HIERARCH ESO ISS PBL24 START | 85.501 |
| HIERARCH ESO ISS PBL24 END | 86.026 |
| HIERARCH ESO ISS PBLA24 START | 70.488 |
| HIERARCH ESO ISS PBLA24 END | 71.307 |
| HIERARCH ESO ISS PBL34 START | 59.034 |
| HIERARCH ESO ISS PBL34 END | 59.459 |
| HIERARCH ESO ISS PBLA34 START | 101.486 |
| HIERARCH ESO ISS PBLA34 END | 102.097 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002932 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004372 |
| HIERARCH ESO ISS AMBI TEMP | 9.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |