#  EHT Memo Series 

 



Sort**EHT Memo Code****Title****Author(s)****Last Updated****2025-TDWG-01**

[A Novel Calibration and Imaging Method for ALMA Observations of Sgr A∗](https://eventhorizontelescope.org/sites/g/files/omnuum3116/files/2025-03/eht_memo_albentosaruiz_2025-tdwg-01_0.pdf)

Albentosa-Ruiz et al.

07 Mar 2025

**2023-L1-02**

[Absolute Flux Density Calibration of the Greenland TelescopeData for Event Horizon Telescope Observations](/file_url/653)

Koay et al.

17 Jan 2024

**2023-L1-01**

[Metadata for the Flux Density Calibration of the April 2018 Event Horizon Telescope Data](/file_url/652)

Koay et al.

17 Jan 2024

**2019-CE-03**

[Global calibration of instrumental polarimetric phase gains](/file_url/523)

Steel et al.

09 Jul 2019

**2019-CE-02**

[EHT data set validation and characterization of errors](/file_url/505)

Wielgus et al.

08 Apr 2019

**2019-CE-01**

[Flux Density Calibration of the EHT Array](/file_url/504)

Janssen et al.

07 Apr 2019

**2018-CE-01**

[James Clerk Maxwell Telescope calibration memo: Time dependence of the aperture efficiency and DPFU](/file_url/481)

Issaoun et al.

02 Jan 2018

**2017-CE-03**

[Submillimeter Telescope calibration memo: Updated absolute amplitude calibration procedure for 2017](/file_url/482)

Issaoun et al.

01 Oct 2017

**2017-CE-02**

[A conceptual overview of single-dish absolute amplitude calibration](/file_url/483)

Issaoun et al.

15 Sep 2017

**2015-PUL-02**

[Calculating total power from VLBI data](/file_url/512)

Blackburn et al.

04 Jun 2015

**2014-ETWG-01**

[LO Frequency for future EHT mmVLBI](/file_url/484)

Marrone et al.

16 Apr 2014

**2013-ETWG-01**

[Future EHT VLBI System Configuration](/file_url/485)

Tilanus et al.

14 Dec 2013