Exposure
- ID
- GRAVI.2024-07-17T03:35:03.132_2
- Header ID
- GRAVI.2024-07-17T03:35:03.132
- Date updated
- 2024-07-17 03:50:23 UTC+0000
- Release date
- 2025-07-17 03:50:23 UTC+0000
- UTC Start
- 2024-07-17 03:35:03.132
- UTC End
- 2024-07-17 03:41:03.132
- MJD Start
- 60508.14934181
- MJD End
- 60508.1535084767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005464
- Ambient temperature (°C)
- 17.42
- Seeing (arcsec)
- 0.735
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 55.8700 | 55.7530 | 30.9000 | 31.5000 |
| U1-U3 | 100.9660 | 100.6960 | 37.3000 | 37.8000 |
| U1-U4 | 127.5830 | 126.9650 | 65.7460 | 66.4050 |
| U2-U3 | 45.8640 | 45.7090 | 45.0000 | 45.6000 |
| U2-U4 | 87.7560 | 87.3060 | 87.0860 | 87.8540 |
| U3-U4 | 61.8570 | 61.6510 | 116.8550 | 117.7350 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60508.14934181 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416869 |
| DEC | -29.00738 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.87 |
| HIERARCH ESO ISS PBL12 END | 55.753 |
| HIERARCH ESO ISS PBLA12 START | 30.9 |
| HIERARCH ESO ISS PBLA12 END | 31.5 |
| HIERARCH ESO ISS PBL13 START | 100.966 |
| HIERARCH ESO ISS PBL13 END | 100.696 |
| HIERARCH ESO ISS PBLA13 START | 37.3 |
| HIERARCH ESO ISS PBLA13 END | 37.8 |
| HIERARCH ESO ISS PBL14 START | 127.583 |
| HIERARCH ESO ISS PBL14 END | 126.965 |
| HIERARCH ESO ISS PBLA14 START | 65.746 |
| HIERARCH ESO ISS PBLA14 END | 66.405 |
| HIERARCH ESO ISS PBL23 START | 45.864 |
| HIERARCH ESO ISS PBL23 END | 45.709 |
| HIERARCH ESO ISS PBLA23 START | 45.0 |
| HIERARCH ESO ISS PBLA23 END | 45.6 |
| HIERARCH ESO ISS PBL24 START | 87.756 |
| HIERARCH ESO ISS PBL24 END | 87.306 |
| HIERARCH ESO ISS PBLA24 START | 87.086 |
| HIERARCH ESO ISS PBLA24 END | 87.854 |
| HIERARCH ESO ISS PBL34 START | 61.857 |
| HIERARCH ESO ISS PBL34 END | 61.651 |
| HIERARCH ESO ISS PBLA34 START | 116.855 |
| HIERARCH ESO ISS PBLA34 END | 117.735 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005966 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004962 |
| HIERARCH ESO ISS AMBI TEMP | 17.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |